Error!

SCLCR/L 95° Internal Holder with Cooling - Rinaldi-Tools
SCLCR/L 95° Internal Holder with Cooling - Rinaldi-Tools
SCLCR/L 95° Internal Holder with Cooling - Rinaldi-Tools
    SCLCR/L 95° Internal Holder with Cooling - Rinaldi-Tools
    SCLCR/L 95° Internal Holder with Cooling - Rinaldi-Tools
    SCLCR/L 95° Internal Holder with Cooling - Rinaldi-Tools

Internal Tool Holder - SCLCR/L (95°) with cooling holes

€32.00
Tax excluded
Right-Left
Dimensions
Insert size
Quantity

Boring Bar SCLCR/L
Cutting Angle 95°
Insert CC..
Main application Longitudinal turning, Facing
Clamping Screw Clamping
Cooling With Cooling Holes
Packaging unit 1 Pc.

  d h L f Dmin
A08H SCLCR/L 06 with cooling holes 8 7 100 07 ≥11
A10H SCLCR/L 06 with cooling holes 10 9 100 08 ≥13
A12H SCLCR/L 06 with cooling holes 12 11 100 10 ≥16
A16M SCLCR/L 09 with cooling holes 16 15 150 13 ≥21
A20P SCLCR/L 09 with cooling holes 20 19 170 15 ≥25
A25R SCLCR/L 09 with cooling holes 25 23 200 19,5 ≥32

Art. Nr. d h L f Dmin Insert Screw Shim Shim-Screw
A08H SCLCR 06 with cooling holes SM36376 8 7 100 7 ≥11 CCG./CCM. 06.. SSV M2,5x6 - -
A08H SCLCL 06 with cooling holes SM36383 8 7 100 7 ≥11 CCG./CCM. 06.. SSV M2,5x6 - -
A10H SCLCR 06 with cooling holes SM36390 10 9 100 8 ≥13 CCG./CCM. 06.. SSV M2,5x6 - -
A10H SCLCL 06 with cooling holes SM36406 10 9 100 8 ≥13 CCG./CCM. 06.. SSV M2,5x6 - -
A12H SCLCR 06 with cooling holes SM36413 12 11 100 10 ≥16 CCG./CCM. 06.. SSV M2,5x6 - -
A12H SCLCL 06 with cooling holes SM36420 12 11 100 10 ≥16 CCG./CCM. 06.. SSV M2,5x6 - -
A16M SCLCR 09 with cooling holes SM36437 16 15 150 13 ≥21 CCG./CCM. 09.. SSV M3,5x8 - -
A16M SCLCL 09 with cooling holes SM36444 16 15 150 13 ≥21 CCG./CCM. 09.. SSV M3,5x8 - -
A20P SCLCR 09 with cooling holes SM36451 20 19 170 15 ≥25 CCG./CCM. 09.. SSV M3,5x10 - -
A20P SCLCL 09 with cooling holes SM36468 20 19 170 15 ≥25 CCG./CCM. 09.. SSV M3,5x10 - -
A25R SCLCR 09 with cooling holes SM36475 25 23 200 19,5 ≥32 CCG./CCM. 09.. SSV M3,5x10 BAX CC09 SBV5 M5X0,5 A3,5X9
A25R SCLCL 09 with cooling holes SM36482 25 23 200 19,5 ≥32 CCG./CCM. 09.. SSV M3,5x10 BAX CC09 SBV5 M5X0,5 A3,5X9

SMOXH
SM36383

Data sheet

Type of clamping
Screw Clamp
Cooling Holes
with cooling Holes
Inserts
CC..
Turning
Facing
Longitudinal turning

Compatible products

CCGT-ALZ RT100 Turning Insert for Aluminum | Rinaldi-Tools
Rinaldi-Tools GmbH

Indexable insert - CCGT ...-ALZ RT100

Price ab €3.10
Availability: 2147482777 In Stock

Technical data

Shape CCGT
Cutting conditions Continuous
Workpiece Material NF-Materials
Grade RT100: Uncoated K10-K15 carbide for ALU and plastics
Packaging unit 10 Pc.

Dimensions

r L I.C S d
CCGT 060202-ALZ RT100 0,2 6,4 6,35 2,38 2,8
CCGT 060204-ALZ RT100 0,4 6,4 6,35 2,38 2,8
CCGT 060208-ALZ RT100 0,8 6,4 6,35 2,38 2,8
CCGT 09T302-ALZ RT100 0,2 9,7 9,525 3,97 4,4
CCGT 09T304-ALZ RT100 0,4 9,7 9,525 3,97 4,4
CCGT 09T308-ALZ RT100 0,8 9,7 9,525 3,97 4,4
CCGT 120404-ALZ RT100 0,4 12,9 12,7 4,76 5,56
CCGT 120408-ALZ RT100 0,8 12,9 12,7 4,76 5,56

For precise finishing of aluminum

The positive indexable insert CCGT ...-ALZ RT100 is systematically tailored to the professional turning of non-ferrous metals and plastics. With its uncoated, fine-grained K10-K15 carbide, it creates good prerequisites for high dimensional stability.

Advantages of CCGT ...-ALZ RT100

  • Developed for aluminum, non-ferrous metals, and plastics
  • Convinces in continuous cutting conditions
  • Uncoated K10-K15 carbide for high cutting performance
  • Supports a high surface finish during fine machining
Turning Insert CCMT -HM RT300 | Rinaldi-Tools
Rinaldi-Tools GmbH

Indexable insert - CCMT ... -HM RT300

Price ab €3.20
Availability: 2147480737 In Stock

Technical data

Shape CCMT
Processing Medium
Cutting conditions Continuous and light interrupted
Workpiece Material Steel and Stainless Steel
Grade RT300: PVD-coated P15-P25 and M10-M25 for universal use
in steel and stainless steel
Packaging unit 10 Pc.

Dimensions

r L I.C S d
CCMT 060202-HM RT300 0,2 6,4 6,35 2,38 2,8
CCMT 060204-HM RT300 0,4 6,4 6,35 2,38 2,8
CCMT 060208-HM RT300 0,8 6,4 6,35 2,38 2,8
CCMT 09T302-HM RT300 0,2 9,7 9,525 3,97 4,4
CCMT 09T304-HM RT300 0,4 9,7 9,525 3,97 4,4
CCMT 09T308-HM RT300 0,8 9,7 9,525 3,97 4,4
CCMT 120404-HM RT300 0,4 12,9 12,7 4,76 5,56
CCMT 120408-HM RT300 0,8 12,9 12,7 4,76 5,56

Reliable medium machining with CCMT ... -HM RT300

The PVD-coated indexable insert CCMT ... -HM RT300 is specifically designed for the efficient medium machining of steel and stainless steel. Optimized for ISO P15-P25 and M10-M25 materials, it provides a well-balanced combination of wear resistance and toughness. The HM chipbreaker geometry ensures reliable chip control during continuous and light interrupted cutting conditions.

Schnitt K-LU.webp

Advantages of CCMT ... -HM RT300

  • Universal application for steel and stainless steel (P15-P25, M10-M25)
  • Wear-resistant RT300 PVD coating supports extended operational life
  • Reliable chip evacuation in medium machining tasks due to HM geometry
  • Process stability in continuous and light interrupted cuts
  • Supplied in a practical packaging unit of 10 pieces
CCMT-HF RT250X Indexable Insert Steel | Rinaldi-Tools
Rinaldi-Tools GmbH

Indexable insert - CCMT ... -HF RT250X

Price ab €3.70
Availability: 2147482397 In Stock

Technical data

Shape CNMM
Processing Medium and finish
Cutting conditions Continuous and light interrupted
Workpiece Material Steel and Stainless Steel
Grade RT250X: PVD multilayer coated P10-P30 and M10-M30 carbide for universal use in steel and Stainless Steel
Packaging unit 10 Pc.

Dimensions

r L I.C S d
CCMT 060204-HF RT250X 0,4 6,4 6,35 2,38 2,8
CCMT 060208-HF RT250X 0,8 6,4 6,35 2,38 2,8
CCMT 09T304-HF RT250X 0,4 9,7 9,525 3,97 4,4
CCMT 09T308-HF RT250X 0,8 9,7 9,525 3,97 4,4
CCMT 120404-HF RT250X 0,4 12,9 12,7 4,76 5,56
CCMT 120408-HF RT250X 0,8 12,9 12,7 4,76 5,56

Reliable turning operations for steel and stainless steel

The indexable insert CCMT ...-HF RT250X is designed for precise finishing and medium turning operations. Thanks to its universal PVD multilayer coating, the RT250X grade is perfectly suited for continuous and light interrupted cuts. Schnitt K-LU.webp

Advantages of Indexable insert CCMT ... -HF RT250X

  • Suitable for steel (P10-P30) and stainless steel (M10-M30)
  • PVD multilayer coating supports consistent wear resistance
  • Designed for continuous and lightly interrupted cutting
  • Optimized HF geometry for medium machining and finishing
  • Secure chip formation and excellent workpiece surface quality
Indexable CBN-Insert - CCGW ...-2N RTC20T
Rinaldi-Tools GmbH

Indexable CBN-Insert - CCGW ...-2N RTC20T

Price ab €29.50
Availability: 2147483567 In Stock

Shape CCGW
Scope of application Hard turning
Cutting edges 2
Grade RTC20T : TIN-coated CBN for full to slightly interrupted cuts in hardened steels
Packaging unit 2 Pc

I.C. S r L
CCGW 060202-2N RTC20T 6,35 2,38 0,2 2,2
CCGW 060204-2N RTC20T 6,35 2,38 0,4 2,2
CCGW 060208-2N RTC20T 6,35 2,38 0,8 2,2
CCGW 09T302-2N RTC20T 9,525 3,97 0,2 2,2
CCGW 09T304-2N RTC20T 9,525 3,97 0,4 2,2
CCGW 09T308-2N RTC20T 9,525 3,97 0,8 2,2
CCGW 09T312-2N RTC20T 9,525 3,97 1,2 2,2
CCGW 120404-2N RTC20T 12,7 4,76 0,4 2,2

PCD-Insert - CCGW ...-1N RTD10
Rinaldi-Tools GmbH

PCD-Insert - CCGW ...-1N RTD10

Price ab €22.95
Availability: 214748364 In Stock

Plate Shape CCGW
Processing High Speed Alu Turning
Material Aluminum, NF-Materials
Coating RTD10: Polycrystalline diamond for high-speed machining of aluminum up to 12% Si, non-ferrous metals and plastic 
Packaging unit 2 Pc.

PCD = Polycrystalline diamond (PCD) is a synthetically produced, extremely hard, intergrown mass of randomly oriented diamond particles in a metal matrix.

r L I.C S d
CCGW 060202-1N RTD10 0,2 2,5 6,35 2,38 2,8
CCGW 060204-1N RTD10 0,4 2,5 6,35 2,38 2,8
CCGW 09T302-1N RTD10 0,2 2,5 9,525 3,97 4,4
CCGW 09T304-1N RTD10 0,4 2,5 9,525 3,97 4,4
CCGW 09T308-1N RTD10 0,8 2,5 9,525 3,97 4,4

PCD-Insert - C-CCGW ...-1N RTD10
Rinaldi-Tools GmbH

PCD-Insert - C-CCGW ...-1N RTD10

Price ab €31.90
Availability: 214748352 In Stock

Shape C-CCGW
Processing High Speed Alu Turning
Workpiece Material Aluminum, NF-Materials
Grade RTD10: Polycrystalline diamond for high-speed machining of aluminum up to 12% Si, non-ferrous metals and plastic 
Packaging unit 2 Pc.

PCD = Polycrystalline diamond (PCD) is a synthetically produced, extremely hard, intergrown mass of randomly oriented diamond particles in a metal matrix.

r L I.C S d
C-CCGW 060202-1N RTD10 0,2 2,5 6,35 2,38 2,8
C-CCGW 09T304-1N RTD10 0,4 2,5 9,525 3,97 4,4

PCD-Insert - CCGT ...-1N RTD10
Rinaldi-Tools GmbH

PCD-Insert - CCGT ...-1N RTD10

Price ab €22.95
Availability: 222222216 In Stock

Shape CCGT
Processing High Speed Alu Turning
Workpiece Material Aluminum, NF-Materials
Grade RTD10: Polycrystalline diamond for high-speed machining of aluminum up to 12% Si, non-ferrous metals and plastic
Packaging unit 2 Pc.

PCD = Polycrystalline diamond (PCD) is a synthetically produced, extremely hard, intergrown mass of randomly oriented diamond particles in a metal matrix.

r L I.C S d
CCGT 060202-1N RTD10 0,2 2,5 6,35 2,38 2,8
CCGT 060204-1N RTD10 0,4 2,5 6,35 2,38 2,8
CCGT 09T302-1N RTD10 0,2 2,5 9,525 3,97 4,4
CCGT 09T304-1N RTD10 0,4 2,5 9,525 3,97 4,4
CCGT 09T308-1N RTD10 0,8 2,5 9,525 3,97 4,4

CCMT-PM RT250+ Turning Insert for Steel | Rinaldi-Tools
Rinaldi-Tools GmbH

Indexable insert - CCMT ... -PM RT250+

Price ab €3.20
Availability: 2147483007 In Stock

Technical data

Shape CCMT
Processing Medium
Cutting conditions Continuous and light interrupted
Workpiece Material Steel
Grade RT250+: CVD-coated 2-color coated P20-P30 carbide for steel
Packaging unit 10 Pc.

Dimensions

r L I.C S d
CCMT 060204-PM RT250+ 0,4 6,4 6,35 2,38 2,8
CCMT 09T304-PM RT250+ 0,4 9,7 9,525 3,97 4,4
CCMT 09T308-PM RT250+ 0,8 9,7 9,525 3,97 4,4

CCMT-PM RT250+ Turning Insert for Steel Machining

The CCMT-PM RT250+ turning insert from Rinaldi-Tools is a well-conceived solution designed for the medium machining of steel. Featuring a two-color CVD coating and a P20-P30 carbide grade, it provides efficiency during continuous as well as light interrupted cuts.

Advantages of CCMT-PM RT250+

  • Impresses with a robust, two-color CVD coating
  • Creates excellent conditions for the medium machining of steel
  • Supports reliable workflows in continuous and light interrupted cutting applications
  • Facilitates visual wear detection during practical use
CCMT-PR RT250+ Turning Insert for Steel | Rinaldi-Tools
Rinaldi-Tools GmbH

Indexable insert - CCMT ... -PR RT250+

Price ab €3.80
Availability: 2147483277 In Stock

Technical data

Shape CCMT
Processing Roughing
Cutting conditions Continuous and light interrupted
Workpiece Material Steel
Grade RT250+: CVD-coated 2-color coated
P20-P30 carbide for steel
Packaging unit 10 Pc.

Dimensions

r L I.C S d
CCMT 09T304-PR RT250+ 0,4 9,7 9,525 3,97 4,4
CCMT 09T308-PR RT250+ 0,8 9,7 9,525 3,97 4,4

High-performance indexable insert for steel machining

The CCMT ... -PR RT250+ indexable insert is designed for roughing steel in continuous to light interrupted cuts. Featuring a wear-resistant CVD coating and the P20-P30 carbide grade RT250+, this tool provides a dependable solution for professional turning operations.

Advantages of the indexable insert CCMT ... -PR RT250+

  • CVD-coated carbide grade RT250+ for robust applications in steel
  • Stable PR geometry tailored for efficient roughing processes
  • Reliable performance in continuous and slightly interrupted cutting conditions
  • Convenient packaging unit of 10 pieces for industrial requirements
CCGT ...-ALM RT105C Turning Insert | Rinaldi-Tools
Rinaldi-Tools GmbH

Indexable insert - CCGT ...-ALM RT105C

Price ab €4.40
Availability: 2147483347 In Stock

Technical data

Shape CCGT
Processing Medium and Finish
Cutting conditions Continuous
Workpiece Material NF-Materials, Stainless Steel and Special Materials
Grade RT105C:
PVD-TiALN coated M10-M20 carbide for ALU / stainless steel
Packaging unit 10 Pc.

Dimensions

  r L I.C S d
CCGT 060202-ALM RT105C 0,2 6,4 6,35 2,38 2,8
CCGT 060204-ALM RT105C 0,4 6,4 6,35 2,38 2,8
CCGT 09T302-ALM RT105C 0,2 9,7 9,525 3,97 4,4
CCGT 09T304-ALM RT105C 0,4 9,7 9,525 3,97 4,4
CCGT 09T308-ALM RT105C 0,8 9,7 9,525 3,97 4,4
CCGT 120404-ALM RT105C 0,4 12,9 12,7 4,76 5,56
CCGT 120408-ALM RT105C 0,8 12,9 12,7 4,76 5,56

Precision turning insert for superior surface finish

The positive CCGT-ALM RT105C indexable insert offers a well-thought-out solution for medium machining and fine finishing.

Thanks to its specific PVD-TiAlN coating and sharp cutting edge geometry, this tool supports a clean, continuous cut and creates excellent conditions for high surface qualities on non-ferrous metals, stainless steel, and special alloys.

Advantages of Indexable insert - CCGT ...-ALM RT105C

  • Convinces with a highly wear-resistant PVD-TiAlN carbide grade (M10-M20)
  • Reliably supports medium turning operations and finishing processes
  • Is specifically tailored to aluminum, stainless steel, and demanding special alloys
  • Opens up flexible application possibilities under continuous cutting conditions
CCGT-SF RTC+ Cermet Turning Insert for Finishing | Rinaldi-Tools
Rinaldi-Tools GmbH

Indexable insert - CCGT ...-SF RTC+

Price ab €4.40
Availability: 2147483397 In Stock

Technical data

Shape CCGT
Processing Finish
Cutting conditions Continuous
Worpiece Material Steel and Stainless Steel
Grade RTC+:PVD coated P05-P15 Cermet grade for finishing of steel and stainless steel
Packaging unit 10 Pc.

Dimensions

  r L I.C S d
CCGT 060202-SF RTC+ 0,2 6,4 6,35 2,38 2,8
CCGT 060204-SF RTC+ 0,4 6,4 6,35 2,38 2,8
CCGT 09T302-SF RTC+ 0,2 9,7 9,525 3,97 4,4
CCGT 09T304-SF RTC+ 0,4 9,7 9,525 3,97 4,4

High-precision finishing with cermet

The CCGT ...-SF RTC+ indexable insert is designed for precise finishing operations on steel and stainless steel. Thanks to the PVD-coated cermet grade RTC+, it is well suited for continuous cutting conditions, providing reliable surface qualities.

Advantages of the indexable insert CCGT ...-SF RTC+

  • Accurate finishing for a good surface finish on steel and stainless steel
  • PVD-coated P05-P15 cermet grade helps maintain wear resistance
  • Geared towards continuous cutting applications
  • Practical SF chipbreaker geometry for fine turning tasks
  • Supplied in a 10-piece packaging unit for reliable tool inventory
CCMT-TC RT150K Turning Insert for Cast Iron | Rinaldi-Tools
Rinaldi-Tools GmbH

Indexable insert - CCMT ...-TC RT150K

Price ab €3.70
Availability: 214748234 In Stock

Technical data

Shape CCMT
Processing Medium
Cutting conditions Continuous and light interrupted
Workpiece Material Steel and Stainless Steel
Grade RT300: PVD-coated P15-P25 and M10-M25 for universal use
in steel and stainless steel
Packaging unit 10 Pc.

Dimensions

r L I.C S d
CCMT 060204-TC RT150K 0,4 6,4 6,35 2,38 2,8
CCMT 09T304-TC RT150K 0,4 9,7 9,525 3,97 4,4
CCMT 09T308-TC RT150K 0,8 9,7 9,525 3,97 4,4
CCMT 120404-TC RT150K 0,4 12,9 12,7 4,76 5,56
CCMT 120408-TC RT150K 0,8 12,9 12,7 4,76 5,56

High-performance turning insert for professional applications

The indexable insert CCMT ...-TC RT150K is designed for efficient turning operations and medium machining tasks. As a positive turning insert, it offers excellent prerequisites for stable and reliable chip removal during both continuous and light interrupted cutting, making it a dependable choice for modern manufacturing environments.

Advantages of the CCMT ...-TC RT150K

  • Positive insert shape (CCMT) supports smooth and controlled cutting processes
  • Proven performance in continuous and light interrupted cuts
  • Engineered to ensure a consistent tool life and high process reliability
  • Supplied in a practical packaging unit of 10 pieces
CCMT-MF RT255M Insert for Stainless Steel | Rinaldi-Tools
Rinaldi-Tools GmbH

Indexable insert - CCMT...-MF RT255M

Price ab €4.60
Availability: 999940 In Stock

Technical data

Shape CCMT
Processing Finishing
Cutting conditions Continuous and light interrupted
Workpiece Material Stainless Steel
Grade RT255M: PVD coated M20-M30 carbide. First choice for stainless steel
Packaging unit 10 Pc.

Dimensions

r L I.C. S d
CCMT 060202-MF RT255M 0,2 6,4 6,35 2,38 2,8
CCMT 060204-MF RT255M 0,4 6,4 6,35 2,38 2,8
CCMT 060208-MF RT255M 0,8 6,4 6,35 2,38 2,8
CCMT 09T302-MF RT255M 0,2 9,7 9,525 3,97 4,4
CCMT 09T304-MF RT255M 0,4 9,7 9,525 3,97 4,4
CCMT 09T308-MF RT255M 0,8 9,7 9,525 3,97 4,4

CCMT-MF RT255M: Precise finishing of stainless steel

The positive indexable insert CCMT-MF RT255M is designed for the professional turning of stainless steel. By combining an optimized chipbreaker for finishing operations with wear-resistant, PVD-coated fine-grain carbide, this cutting tool delivers clean machining results. It reliably handles continuous to light interrupted cuts, ensuring excellent conditions for high-quality surface finishes.

Advantages of CCMT-MF RT255M

  • PVD-coated RT255M carbide grade tailored specifically for stainless steel machining
  • Engineered to produce excellent surface qualities during demanding finishing tasks
  • Suitable for maintaining process stability in continuous and light interrupted cuts
  • Available in multiple corner radii for versatile contour machining applications
  • Practical packaging unit of 10 pieces for efficient inventory management
CCMT-MM RT255M Turning Insert for Stainless Steel | Rinaldi-Tools
Rinaldi-Tools GmbH

Indexable insert - CCMT...-MM RT255M

Price ab €4.60
Availability: 999810 In Stock

Technical data

Shape CCMT
Processing Medium
Cutting conditions Continuous and light interrupted
Workpiece Material Stainless Steel
Grade RT255M: PVD coated M20-M30 carbide. First choice for stainless steel
Packaging unit 10 Pc.

Dimensions

r L I.C. S d
CCMT 060204-MM RT255M 0,4 6,4 6,35 2,38 2,8
CCMT 060208-MM RT255M 0,8 6,4 6,35 2,38 2,8
CCMT 09T304-MM RT255M 0,4 9,7 9,525 3,97 4,4
CCMT 09T308-MM RT255M 0,8 9,7 9,525 3,97 4,4

High-quality turning insert for stainless steel

The positive CCMT turning insert featuring the MM geometry and RT255M grade is specially designed for medium turning operations on stainless steel materials. With its well-thought-out design and the reliable M20-M30 carbide, it creates excellent conditions for stable and efficient workflows. It dependably supports you during continuous and light interrupted cuts in professional machining environments.

Advantages of the CCMT-MM RT255M

  • Reliable performance thanks to specialized PVD-coated M20-M30 carbide for stainless steel machining
  • Optimized for medium machining with continuous to light interrupted cuts
  • Flexible application possibilities due to the positive CCMT basic shape
  • Practical packaging unit of 10 pieces for industrial requirements
CCGT-FS RT305H Precision Insert for Finishing | Rinaldi-Tools
Rinaldi-Tools GmbH

Indexable Insert - CCGT ...-FS RT305H

Price ab €5.40
Availability: 999990 In Stock

Technical data

Shape CCGT
Processing Finish
Cutting conditions Continuous & Slightly Interrupted Cut
Worpiece Material Steel, Stainless Steel & Special Materials
Grade RT305H: PVD-coated High-Performance grade for a wide range of usage
Packaging unit 10 Pc.

Dimensions

r L I.C S d
CCGT 060201-FS RT305H 0,1 6,4 6,35 2,38 2,8
CCGT 060202-FS RT305H 0,2 6,4 6,35 2,38 2,8
CCGT 060204-FS RT305H 0,4 6,4 6,35 2,38 2,8
CCGT 09T301-FS RT305H 0,1 9,7 9,525 3,97 4,4
CCGT 09T302-FS RT305H 0,2 9,7 9,525 3,97 4,4
CCGT 09T304-FS RT305H 0,4 9,7 9,525 3,97 4,4
CCGT 09T308-FS RT305H 0,8 9,7 9,525 3,97 4,4

Precise Finishing Operations with the CCGT-FS RT305H

The CCGT-FS RT305H indexable insert is explicitly designed to achieve demanding surface qualities.

Schnitt K-LU.webp

With its fully ground cutting edge and PVD-coated high-performance grade, it offers professional users flexible application options in steel, stainless steel, and special materials for both continuous and slightly interrupted cuts.

Advantages of CCGT-FS RT305H

  • Fully ground cutting edge supports high precision and excellent repeatability
  • Optimized positive rake angle creates a strong basis for reducing vibrations
  • Well-thought-out solution specifically for thin-walled and unstable workpieces
  • Wide range of applications thanks to the versatile RT305H PVD coating

16 other products in the same category:

PDUNR/L 93° Internal Tool Holder with Cooling | Rinaldi-Tools
Rinaldi-Tools GmbH

Internal Tool Holder - PDUNR/L (93°) with cooling holes

Price ab €77.00
Availability: 214748362 In Stock

Technical data

Boring Bar PDUNR/L
Cutting Angle 93°
Insert DN..
Main application Profiling
Clamping Pin Lock
Cooling With Cooling Hole
Packaging unit 1 Pc.

Dimensions

d L h f Dmin
A25R-PDUNR/L 11
 25 200 24 17 32
A32S-PDUNR/L 15
 32 250 31 22 40

Internal Tool Holder - PDUNR/L (93°) with cooling holes

The PDUNR/L internal tool holder with a 93° cutting angle and internal cooling is tailored for professional profile turning tasks. Utilizing DN-type inserts, it delivers process reliability and supports efficient workflows during demanding internal machining operations.

Advantages of Internal Tool Holder - PDUNR/L (93°) with cooling holes

  • Internal cooling hole promotes effective chip evacuation in deep bores
  • Secure pin lock clamping holds the insert firmly in position
  • 93° cutting angle accommodates a variety of internal profiling applications
  • Designed for high stability and reliable performance in professional turning
CKUNR Internal Turning Holder with Clamp System - Rinaldi-Tools
SMOXH

Internal Tool Holder - CKUNR (93°)

Price ab €58.00
Availability: 214748355 In Stock

Boring Bar CKUNR
Setting Angle 93°
Insert KNUX L
Main application Longitudinal turning
Clamping Claw Clamping
Cooling Without Cooling Holes
Packaging unit 1 Pc.

  d h L f Dmin Insert
S25S CKUNR 16 25 23 250 21,5 ≥34 KNUX 1604.. L
S32T CKUNR 16 32 30 300 24 ≥40 KNUX 1604.. L
S40U CKUNR 16 40 37 350 30 ≥50 KNUX 1604.. L

Internal Tool Holder PDUNR/L 93° for Profiling | Rinaldi-Tools
Rinaldi-Tools GmbH

Internal Tool Holder - PDUNR/L (93°)

Price ab €65.50
Availability: 214748364 In Stock

Technical data

Boring Bar PDUNR/L
Cutting Angle 93°
Insert DN..
Main application Profiling
Clamping Pin Lock
Cooling Without Cooling Hole
Packaging unit 1 Pc.

Dimensions

d L h f Dmin
S20Q-PDUNR/L 11 20 180 18 13 25
S20S-PDUNR/L 11
 20 250 18 13 25
S25Q-PDUNR/L 11
 25 180 23 17 32
S25T-PDUNR/L 11
 25 300 23 17 32
S32R-PDUNR/L 11
 32 200 30 22 40
S32U-PDUNR/L 11
 32 350 30 22 40
S32R-PDUNR/L 15
 32 200 30 22 40
S32U-PDUNR/L 15
 32 350 30 22 40
S40S-PDUNR/L 15
 40 250 37 27 50
S40V-PDUNR/L 15
 40 400 37 27 50
S50V-PDUNR/L 15 50 400 47 32 60

Precise Profiling with the Internal Tool Holder PDUNR/L (93°)

The PDUNR/L internal tool holder is designed specifically for professional internal turning and contouring tasks. Featuring a 93-degree approach angle and a proven pin lock clamping system, this boring bar ensures a highly secure hold for DN series inserts.

Advantages of Internal Tool Holder PDUNR/L

  • Reliable pin lock clamping provides stable seating for DN inserts
  • Optimal 93° cutting angle supports accurate profiling operations
  • Solid construction without a cooling hole, ideal for external coolant supply
  • Supplied in a convenient packaging unit of exactly one piece
Solid Carbide Internal Tool Holder E-SDUCR/L | Rinaldi-Tools
SMOXH

Solid Carbide Internal Tool Holder - E-SDUCR/L (93°)

Price ab €156.00
Availability: 214748356 In Stock

Technical data

Boring Bar E-SDUCR/L
Setting Angle 93°
Insert DC..
Main application Profile turning
Clamping Screw Clamp
Cooling With internal coolant feed
Packaging unit 1 Pc.

Dimensions

  d L f Dmin
E10M SDUCR/L-07 10 150 8 ≥13
E12Q SDUCR/L-07 12 180 10 ≥16
E16R SDUCR/L-11 16 200 13 ≥21
E20S SDUCR/L-11 20 250 15 ≥25

Solid Carbide Internal Tool Holder E-SDUCR/L (93°) for Profile Turning

The Solid Carbide Internal Tool Holder E-SDUCR/L (93°) is engineered for demanding internal turning and profiling applications on CNC lathes. Designed as a solid carbide boring bar, this tool holder significantly minimizes vibrations, which directly improves precision and surface quality. Equipped with an internal coolant feed and a secure screw clamping mechanism for DC... inserts, it ensures optimal chip evacuation and consistent performance in professional machining.

Advantages of Solid Carbide Internal Tool Holder E-SDUCR/L (93°)

  • Solid carbide construction provides superior stability and dampens vibrations.
  • Facilitates deep internal turning with a projection length of up to 6xD.
  • Through-coolant design aids in efficient chip removal and extends insert life.
  • Secure screw clamp ensures precise and stable seating of DC... indexable inserts.
  • 93° setting angle makes it an ideal choice for complex profile turning operations.
SVJBR/L 93° Internal Tool Holder Profiling | Rinaldi-Tools
Rinaldi-Tools GmbH

Internal Tool Holder - SVJBR/L (93°)

Price ab €46.00
Availability: 2147483625 In Stock

Technical data

Boring Bar SVJBR/L
Cutting Angle 93°
Insert VBMT 1604...
Main application Profiling
Clamping Screw Clamping
Packaging unit 1 Pc.

Dimensions

d h L f Dmin
S25S SVJBR-16-S 25 23 250 19,5 ≥32
S25S SVJBL-16-S 25 23 250 19,5 ≥32
S32T SVJBR-16 32 30 300 24 ≥40
S32T SVJBL-16 32 30 300 24 ≥40
S40U SVJBR-16 40 37 350 30 ≥50
S40U SVJBL-16 40 37 350 30 ≥50

Precise Boring Bar for Internal Contours

The SVJBR/L internal holder with a 93-degree angle is a well-conceived solution for profiling and internal machining. Compatible with VB.. 1604... inserts, it reliably supports professional metalworking operations.

Advantages of Internal Tool Holder - SVJBR/L (93°)

  • Secure insert seating thanks to robust screw clamping.
  • Versatile applications for internal profiling.
  • Practical 93° angle for improved contour access.
Internal Tool Holder PCLNR/L 95° for Turning | Rinaldi-Tools
Rinaldi-Tools GmbH

Internal Tool Holder - PCLNR/L (95°)

Price ab €62.00
Availability: 214748355 In Stock

Technical data

Boring Bar SPCLNR/L
Cutting Angle 95°
Insert CN..
Main application Longitudinal turning, Facing
Clamping Pin Lock
Cooling Without Cooling Holes
Packaging unit 1 Pc.

Dimensions

d L h f Dmin
S25Q-PCLNR/L 12 25 180 23 17 32
S25T-PCLNR/L 12
 25 300 23 17 32
S32R-PCLNR/L 12
 32 200 30 22 44
S32U-PCLNR/L 12
 32 350 30 22 44
S40S-PCLNR/L 12
 40 250 37 27 54
S40V-PCLNR/L 12
 40 400 37 27 54
S50S-PCLNR/L 12
 50 250 47 35 63
S50W-PCLNR/L 12
 50 450 47 35 63
S50S-PCLNR/L 19
 50 250 47 35 63
S50W-PCLNR/L 19
 50 450 47 35 63

Internal Tool Holder PCLNR/L (95°) for Professional Machining

The PCLNR/L internal tool holder featuring a 95° cutting angle and reliable pin lock clamping is designed for precision internal boring and facing operations. Compatible with CN inserts, this boring bar provides a well-thought-out solution for dry machining applications without internal cooling. The robust design supports stable insert retention, ensuring consistent performance in demanding environments. Supplied in a practical packaging unit of 1 pc.

Advantages of Internal Tool Holder - PCLNR/L (95°)

  • Designed for efficient internal boring and facing tasks
  • Secure insert positioning achieved by reliable pin lock clamping
  • Compatible with standard CN inserts for flexible application
  • 95° cutting angle creates good conditions for smooth turning operations
Internal Tool Holder SSKCR/L (75°) | Rinaldi-Tools
Rinaldi-Tools GmbH

Internal Tool Holder - SSKCR/L (75°)

Price ab €32.00
Availability: 1000000 In Stock

Technical data

Boring Bar SSKCR/L
Cutting Angle 75°
Insert SC..
Main application Longitudinal turning
Clamping Screw Clamping
Cooling Without Cooling Holes
Packaging unit 1 Pc.

Dimensions

d L h f L1 Dmin Insert
S12M-SSKCR/L 09 12 150 11 9 26 16 SC.. 09T3..
S16M-SSKCR/L 09  16 150 15 11 32,5 20 SC.. 09T3..
S16R-SSKCR/L 09 16 200 15 11 32,5 20 SC.. 09T3..
S20Q-SSKCR/L 09 20 180 18 13 34,5 25 SC.. 09T3..
S20S-SSKCR/L 09 20 250 18 13 34,5 25 SC.. 09T3..
S25Q-SSKCR/L 12 25 180 23 17 36,3 32 SC.. 1204..
S25T-SSKCR/L 12 25 300 23 17 36,3 32 SC.. 1204..
S32U-SSKCR/L  12 32 350 30 22 43,5 40 SC.. 1204..

Precise SSKCR/L Internal Tool Holder for Reliable Longitudinal Turning

The SSKCR/L internal tool holder with a 75° cutting angle is designed for professional internal longitudinal turning. Thanks to its compact design and secure screw clamping for square SC.. indexable inserts, this boring bar ensures stable machining processes even in deep and tight internal geometries.

Advantages of the Internal Tool Holder SSKCR/L (75°)

  • Stable 75° approach angle creates favorable conditions for precise internal machining
  • Secure screw clamping supports high process reliability and easy insert changes
  • Perfectly matched to SC.. indexable inserts, opening up flexible application options
  • Solid construction without cooling holes provides a well-thought-out solution for versatile daily operations
SVUCR/L 93° Internal Tool Holder & Boring Bar | Rinaldi-Tools
SMOXH

Internal Tool Holder - SVUCR/L (93°)

Price ab €50.00
Availability: 2147483625 In Stock

Technical data

Boring Bar SVUCR/L
Cutting Angle 93°
Insert VC..
Main application Profile turning
Clamping Screw Clamping
Cooling Without Cooling Holes
Packaging unit 1 Pc.

Dimensions

d h L f Dmin Insert
S16P SVUCR/L-11 16 15 170 13 ≥21 VCM./VCG. 1103..
S20R SVUCR/L-11 20 18 200 15 ≥25 VCM./VCG. 1103..
S25S SVUCR/L-16S 25 23 250 19,5 ≥32 VCM./VCG. 1604..
S32T SVUCR/L-16 32 30 300 24 ≥40 VCM./VCG. 1604..
S40U SVUCR/L-16 40 37 350 30 ≥50 VCM./VCG. 1604..

Efficient Profile Turning with the SVUCR/L Holder System

The robust SVUCR/L internal turning holder with a 93° approach angle provides a solid foundation for precise internal profile turning using VC.. indexable inserts. Manufactured by SMOXH, this boring bar excels with a secure screw clamping mechanism and supports stable, low-vibration CNC machining even in narrow bores with limited accessibility.

Advantages of Internal Tool Holder - SVUCR/L (93°)

  • The 93° approach angle provides excellent accessibility for fine internal contours
  • Direct screw clamping ensures a fast and reliable insert change during daily operations
  • Specifically tailored for VC indexable inserts (VCM. and VCG.), optimizing versatility
  • Robust tool body by SMOXH creates a stable basis for efficient internal machining
PWLNR/L 95° Internal Tool Holder for Boring | Rinaldi-Tools
Rinaldi-Tools GmbH

Internal Tool Holder - PWLNR/L (95°)

Price ab €57.00
Availability: 214748354 In Stock

Technical data

Boring Bar PWLNR/L
Cutting Angle 95°
Insert WN..
Main application Longitudinal turning, Facing
Clamping Pin Lock
Cooling Without Cooling Hole
Packaging unit 1 Pc.

Dimensions

d L h f Dmin
S16M-PWLNR/L 06 16 150 15 11 20
S20Q-PWLNR/L 06
 20 180 18 13 25
S25Q-PWLNR/L 06
 25 180 23 17 32
S20Q-PWLNR/L 08
 20 180 18 13 25
S20S-PWLNR/L 08
 20 250 18 13 25
S25Q-PWLNR/L 08
 25 180 23 17 32
S25T-PWLNR/L 08
 25 300 23 17 32
S32R-PWLNR/L 08
 32 200 30 22 40
S32U-PWLNR/L 08
 32 350 30 22 40
S40U-PWLNR/L 08
 40 350 37 30 50
S50W-PWLNR/L 08
 50 450 47 35 63

Reliable Internal Turning with PWLNR/L

The PWLNR/L internal tool holder with a 95° approach angle is designed for professional longitudinal turning and facing. The version without an internal cooling hole is an ideal choice for machining tasks where external cooling or dry cutting is preferred.

Advantages of Internal Tool Holder - PWLNR/L (95°)

  • Stable fixation of WN indexable inserts via secure pin lock clamping
  • Versatile application for longitudinal turning and facing
  • Practical 95° approach angle for various contour operations
  • Designed for robust machining processes without internal coolant requirements
TCLNR/L 95° Internal Tool Holder with Clamping | Rinaldi-Tools
SMOXH

Internal Tool Holder - TCLNR/L (95°) with clamping

Price ab €57.00
Availability: 214748363 In Stock

Technical data

Boring Bar TCLNR/L
Cutting Angle 95°
Insert CN..
Main application Longitudinal turning, Facing
Clamping Claw Clamping
Cooling Without Cooling Holes
Packaging unit 1 Pc.

Dimensions

  d h L f Dmin
S20R TCLNR/L-12 20 18 200 15 ≥26
S25S TCLNR/L-12 25 23 250 19,5 ≥38
S32T TCLNR/L-12 32 30 300 24 ≥40
S40U TCLNR/L-12 40 37 350 30 ≥50
S50V TCLNR/L-12 50 47 400 38 ≥63
S40U TCLNR/L-16 40 37 350 30 ≥44

TCLNR/L (95°) Internal Tool Holder for professional machining

The TCLNR/L (95°) internal tool holder with solid claw clamping is specifically designed for the demands of roughing operations. Its stable construction makes it an excellent choice for longitudinal turning and facing. The robust design without cooling channels and the secure insert fixation support efficient workflows even under high cutting forces.

Advantages of the TCLNR/L Internal Tool Holders

  • Particularly suitable for demanding roughing applications
  • Stable claw clamping provides a secure grip on the indexable inserts
  • Creates excellent conditions for precise longitudinal turning and facing
  • Supports reliable machining processes in metalworking
Internal Tool Holder PSKNR/L (75°) SN.. 1204 | Rinaldi-Tools
Rinaldi-Tools GmbH

Internal Tool Holder - PSKNR/L (75°)

Price ab €63.00
Availability: 214748364 In Stock

Technical data

Boring Bar PSKNR/L
Cutting Angle 75°
Insert SN.. 1204
Main application Longitudinal turning
Clamping Pin Lock
Cooling Without Cooling Hole
Packaging unit 1 Pc.

Dimensions

d L h f Dmin
S25Q-PSKNR/L 12 25 180 23 17 32
S25T-PSKNR/L 12 25 300 23 17 32
S32R-PSKNR/L 12 32 200 30 22 44
S32U-PSKNR/L 12 32 350 30 22 44
S40S-PSKNR/L 12 40 250 37 27 54
S40V-PSKNR/L 12 40 400 37 27 54

Internal Tool Holder PSKNR/L for Professional Machining

The PSKNR/L internal tool holder featuring a 75° cutting angle is designed for efficient longitudinal turning and internal operations. Compatible with SN.. 1204 inserts, this holder is an excellent choice for turning applications that operate without internal coolant supply.

Advantages of Internal Tool Holder - PSKNR/L (75°)

  • Reliable pin lock clamping for secure fixation of SN.. 1204 inserts
  • Practical 75° cutting angle supports demanding inner contours
  • Available in various shank diameters ranging from 25 mm to 40 mm
  • Provided in multiple tool lengths up to 400 mm for deep boring
SDQCR/L 107.5° Boring Bar with Cooling | Rinaldi-Tools
SMOXH

Internal Tool Holder - SDQCR/L (107,5°) with cooling holes

Price ab €32.00
Availability: 2147483621 In Stock

Technical data

Boring Bar SDQCR/L
Cutting Angle 107,5°
Insert DC..
Main application Profiling
Clamping Screw Clamping
Cooling With Cooling Holes
Packaging unit 1 Pc.

Dimensions

  d h L f Dmin Insert
A10H SDQCR/L-07 with cooling holes 10 09 100 08 ≥13 DCG./DCM. 07..
A12H SDQCR/L-07 with cooling holes 12 11 100 10 ≥16 DCG./DCM. 07..
A16M SDQCR/L-07 with cooling holes 16 15 150 13 ≥21 DCG./DCM. 07..
A16M SDQCR/L-11 with cooling holes
 16 15 150 13 ≥21 DCG./DCM. 11..
A20P SDQCR/L-11 with cooling holes
 20 18 170 15 ≥25 DCG./DCM. 11..
A25R SDQCR/L-11 with cooling holes
 25 23 200 19,5 ≥32 DCG./DCM. 11..
A32S SDQCR/L-11 with cooling holes 32 30 250 24 ≥40 DCG./DCM. 11..

Precision Boring Bar for Demanding Profiling

The SMOXH internal tool holder SDQCR/L featuring a 107.5° approach angle and internal cooling is engineered for profiling operations inside bores. Utilizing a secure screw clamping system, this holder accommodates DC inserts reliably and enables accurate contouring on complex workpieces.

Advantages of the SDQCR/L Boring Bars

  • Internal cooling holes support efficient chip evacuation
  • 107.5° approach angle facilitates versatile profile turning
  • Reliable screw clamping provides a secure fit for DC inserts
  • Suitable for precise internal machining in narrow spaces
  • Packaging unit: 1 piece per delivery
Internal Tool Holder PSKNR/L 75° Cooling | Rinaldi-Tools
Rinaldi-Tools GmbH

Internal Tool Holder - PSKNR/L (75°) with cooling holes

Price ab €72.00
Availability: 214748364 In Stock

Technical data

Boring Bar PSKNR/L
Cutting Angle 75°
Insert SN.. 1204
Main application Longitudinal turning
Clamping Pin Lock
Cooling With Cooling Hole
Packaging unit 1 Pc.

Dimensions

d L h f Dmin
A25R-PSKNR/L 12 25 200 24 17 32
A32S-PSKNR/L 12 32 250 31 22 44

Internal Tool Holder PSKNR/L (75°) with Cooling Holes

The PSKNR/L internal tool holder with integrated cooling holes and a 75° cutting angle is a professional solution for precise longitudinal turning. Thanks to the robust pin lock clamping system, the SN 1204 series insert is securely fixed at all times, providing excellent conditions for highly repeatable work processes. The targeted coolant supply supports chip control and optimizes the machining process in demanding metalworking applications.

Advantages of Internal Tool Holder PSKNR/L

  • Integrated cooling holes for direct and efficient cooling of the cutting zone
  • Pin lock clamping ensures secure and stable fixation of the insert
  • 75° cutting angle enables targeted and flexible longitudinal turning
  • Designed for compatibility with SN 1204 inserts
  • High process support tailored for professional machining environments
STFCR/L 90° Internal Tool Holder Boring Bar | Rinaldi-Tools
SMOXH

Internal Tool Holder - STFCR/L (90°)

Price ab €24.00
Availability: 214748360 In Stock

Technical data

Boring Bar STFCR/L
Cutting Angle 90°
Insert TC..
Main application Longitudinal turning
Clamping Screw Clamping
Cooling Without Cooling Holes
Packaging unit 1 Pc.

Dimensions

d h L f Dmin Insert
S10K STFCR 11 10 9 125 8 ≥13 TCG./TCM. 11..
S10K STFCL 11 10 9 125 8 ≥13 TCG./TCM. 11..
S12K STFCR 11 12 11 125 10 ≥17 TCG./TCM. 11..
S12K STFCL 11 12 11 125 10 ≥17 TCG./TCM. 11..
S16P STFCR 11 16 15 170 13 ≥21 TCG./TCM. 11..
S16P STFCL 11 16 15 170 13 ≥21 TCG./TCM. 11..

Precision boring bar for tight internal contours

The STFCR/L internal tool holder (90°) by SMOXH is expertly designed for professional internal turning and boring tasks. Featuring a rigid screw clamping system, this boring bar provides exceptional stability for TC series indexable inserts during demanding operations.

Advantages of the Internal Tool Holder - STFCR/L (90°)

  • Secure screw clamping ensures stable insert positioning
  • Compact design allows easy access to deep or narrow bores
  • Vibration-reducing construction supports excellent surface finishes
  • Fully compatible with standard 60° TC triangular inserts
Solid Carbide Internal Tool Holder E-SCLCR/L-03 | Rinaldi-Tools
Rinaldi-Tools GmbH

Solid Carbide Internal Tool Holder - E...-SCLCR/L-03

Price ab €101.00
Availability: 2147483633 In Stock

Technical data

Boring Bar E... SCLCR/L
Cutting Angle 95°
Insert CCGT 03...
Clamping Screw Clamp
Cooling With Cooling Holes
Packaging unit 1 Pc.

Dimensions

Ød L S Dmin
E04J-SCLCR-03 (CCGT 030102L) 4 90 2,5 5
E04J-SCLCL-03 (CCGT 030102R) 4 90 2,5 5
E05J-SCLCR-03 (CCGT 030102L) 5 100 3 6
E05J-SCLCL-03 (CCGT 030102R) 5 100 3 6
E06J-SCLCL-03 (CCGT 030202R) 6 110 3,5 7
E06J-SCLCL-03 (CCGT 030202R) 6 110 3,5 7

High-quality internal tool holder for professional machining

The solid carbide internal tool holder of the E...-SCLCR/L-03 series provides a low-vibration foundation for precise turning operations in bores and difficult-to-reach contours.

Advantages of Solid Carbide Internal Tool Holder - E...-SCLCR/L-03

  • Solid carbide design reduces process-related vibrations
  • Integrated cooling holes support efficient heat dissipation
  • Optimized for CCGT 03 indexable inserts for fine machining
  • Proven screw clamping ensures secure seating of the insert
Internal Tool Holder SVQBR/L 107.5° Profiling | Rinaldi-Tools
SMOXH

Internal Tool Holder - SVQBR/L (107,5°)

Price ab €37.00
Availability: 214748362 In Stock

Technical data

Boring Bar SVQBR/L
Cutting Angle 107,5°
Insert VBMT 1103.../1604...
Main application Profiling
Clamping Screw Clamping
Cooling Without Cooling Holes
Packaging unit 1 Pc.

Dimensions

  d h L f Dmin
S16P SVQBR-11 16 15 170 13 ≥21
S16P SVQBL-11 16 15 170 13 ≥21
S20R SVQBR-11 20 18 200 15 ≥25
S20R SVQBL-11 20 18 200 15 ≥25
S25S SVQBR-16S 25 23 250 19,5 ≥32
S25S SVQBL-16S 25 23 250 19,5 ≥32
S32T SVQBR-16 32 30 300 24 ≥40
S32T SVQBL-16 32 30 300 24 ≥40

Precision SVQBR/L Boring Bar for Profile Turning

The Internal Tool Holder - SVQBR/L (107,5°) by SMOXH is designed for professional internal machining and complex profiling tasks. Featuring a 107.5° cutting angle and a robust screw clamping mechanism, this boring bar secures VBMT inserts reliably, providing an excellent foundation for accurate profile turning.

Advantages of Internal Tool Holder - SVQBR/L (107,5°)

  • Reliable insert retention (VBMT 1103... / 1604...) via proven screw clamping system
  • Practical 107.5° cutting angle supports flexible internal contouring operations
  • Specifically optimized for efficient profile turning
  • Low-maintenance solid design without internal cooling holes
  • Stable construction suitable for minimum bore diameters starting at 21 mm