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Negative Turning Inserts

Negative turning inserts have a cutting angle smaller than zero. The cutting angle required for machining results from the positioning of the insert in the tool holder.
Our range of negative turning inserts includes a wide variety of grades, geometries, and applications.
Here, you will find the right insert for every material.

No minimum order value

Free Shipping within Germany

on orders over €150

Telephone order and advice

Tel.: +49 (0)208 - 848 67 82

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  • Materials: Aluminium
  • Materials: Stainless Steel
  • Inserts: CN..
  • Inserts: SN..
  • Inserts: VN..
  • Inserts: WN..
Indexable insert - CNMG...-W RT255M
  • New
Rinaldi-Tools GmbH

Indexable insert - CNMG...-W RT255M

Price ab €4.60
Availability: 2147483377 In Stock

Shape CNMG
Processing Finish/Medium
Workpiece Material Stainless Steel
Grade RT255M: PVD coated M20-M30 carbide. First choice for stainless steel
Packaging unit 10 Pc.

Maximum surface quality with maximum productivity – our new turning insert with wiper geometry
Compared to conventional turning inserts, the wiper version offers decisive advantages: thanks to its special geometry, the contact area with the workpiece surface is extended, resulting in significantly improved surface finishes – all while maintaining high feed rates.
What this means for you: shorter machining times combined with excellent surface quality – often eliminating the need for additional finishing operations such as grinding or polishing. Ideal for applications where precision and efficiency are equally important.
Experience the perfect combination of dimensional accuracy, long tool life, and increased productivity – with our wiper insert for modern machining processes.

r L I.C. S
CNMG 120408-W RT255M 0,8 12,9 12,7 4,76

Indexable insert - CNMG...-FE RT305
Rinaldi-Tools GmbH

Indexable insert - CNMG...-FE RT305

Price ab €3.90
Availability: 2147482917 In Stock

Shape CNMG
Processing Finish
Workpiece Material Stainless Steel
Grade RT305: PVD grade M20-M30 for stainless steel
with the most modern coating
Packaging unit 10 Pc.

r L I.C. S d
CNMG 120404-FE RT305 0,4 12,9 12,7 4,76 5,16
CNMG 120408-FE RT305 0,8 12,9 12,7 4,76 5,16

 

Wendeschneidplatte - CNMG...-MM RT250M
Rinaldi-Tools GmbH

Wendeschneidplatte - CNMG...-MM RT250M

Price ab €3.90
Availability: 2147483357 In Stock

Shape CNMG
Processing Medium
Workpiece Material Stainless Steel
Grade RT250M = PVD coated M20-M30 carbide.
Packaging unit 10 Pc.

r L I.C. S d
CNMG 120404-MM RT250M 0,4 12,9 12,7 4,76 5,16
CNMG 120408-MM RT250M 0,8 12,9 12,7 4,76 5,16
CNMG 120412-MM RT250M 1,2 12,9 12,7 4,76 5,16

 

Indexable insert - CNMG...-MR RT250M
Rinaldi-Tools GmbH

Indexable insert - CNMG...-MR RT250M

Price ab €4.20
Availability: 2147482667 In Stock

Shape CNMG
Processing Roughing
Workpiece Material Stainless Steel
Grade RT250M: PVD coated M20-M30 carbide.
Packaging unit 10 Pc.

r L I.C. S d
CNMG 120408-MR RT250M 0,8 12,9 12,7 4,76 5,16
CNMG 120412-MR RT250M 1,2 12,9 12,7 4,76 5,16

Indexable Insert - CNMM...-SXR...
Rinaldi-Tools GmbH

Indexable Insert - CNMM...-SXR...

Price ab €4.60
Availability: 9999980 In Stock

Shape CNMM
Processing Roughing
Workpiece Material Steel/Stainless Steel
Grade RT315G: CVD coated P20 carbide of
the latest generation for general steel processing
Grade RT255M: PVD coated M20-M30 carbide.
First choice for stainless steel
Packaging unit 10 Pc.

 

CNMM...-SXR RT315G for Steel

r L I.C. S
CNMM 120408-SXR RT315G 0,8 12,9 12,7 4,76
CNMM 120412-SXR RT315G 1,2 12,9 12,7 4,76
CNMM 160612-SXR RT315G 1,2 16,1 15,875 6,35
CNMM 160616-SXR RT315G 1,6 16,1 15,875 6,35
CNMM 190612-SXR RT315G 1,2 19,3 19,05 6,35
CNMM 190616-SXR RT315G 1,6 19,3 19,05 6,35
CNMM 190624-SXR RT315G 2,4 19,3 19,05 6,35

CNMM...-SXR RT255M for Stainless Steel

r L I.C. S
CNMM 120408-SXR RT255M 0,8 12,9 12,7 4,76
CNMM 120412-SXR RT255M 1,2 12,9 12,7 4,76
CNMM 160612-SXR RT255M 1,2 16,1 15,875 6,35
CNMM 160616-SXR RT255M 1,6 16,1 15,875 6,35
CNMM 190612-SXR RT255M 1,2 19,3 19,05 6,35
CNMM 190616-SXR RT255M 1,6 19,3 19,05 6,35
CNMM 190624-SXR RT255M 2,4 19,3 19,05 6,35

Indexable insert - CNMG...-SF RTC+
Rinaldi-Tools GmbH

Indexable insert - CNMG...-SF RTC+

Price ab €3.70
Availability: 214748364 In Stock

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

 

  r L I.C. S
CNMG 090304-SF RTC+ 0,4 9,7 9,525 3,18
CNMG 120404-SF RTC+ 0,4 12,9 12,7 4,76
CNMG 120408-SF RTC+ 0,8 12,9 12,7 4,76

Indexable insert - CNMG...-MR RT255M
Rinaldi-Tools GmbH

Indexable insert - CNMG...-MR RT255M

Price ab €4.60
Availability: 2147481907 In Stock

Shape CNMG
Processing Roughing/Medium
Workpiece Material Stainless Steel
Grade RT255M: PVD coated M20-M30 carbide. First choice for stainless steel
Packaging unit 10 Pc.

Art. Nr. r L I.C. S d
CNMG 120408-MR RT255M 1661531 0,8 12,9 12,7 4,76 5,16
CNMG 120412-MR RT255M 1661532 1,2 12,9 12,7 4,76 5,16

Indexable insert - CNMG...-ALP RT100
Rinaldi-Tools GmbH

Indexable insert - CNMG...-ALP RT100

Price ab €4.20
Availability: 2147483197 In Stock

Shape CNMG
Workpiece Material Aluminum, Plastics & NF-Metals
Grade RT100: Uncoated K10-K15 carbide for Aluminum and plastics
Packaging unit 10 Pc.

 

  L I.C S d r
CNMG 120404-ALP RT100 12,9 12,7 4,76 5,16 0,4
CNMG 120408-ALP RT100 12,9 12,7 4,76 5,16 0,8
Indexable insert - SNMG...-MR RT255M
Rinaldi-Tools GmbH

Indexable insert - SNMG...-MR RT255M

Price ab €4.90
Availability: 2147483627 In Stock
Shape SNMG
Processing Medium/Roughing
Workpiece Material Stainless Steel
Grade RT255M: PVD coated M20-M30 carbide.
First choice for stainless steel
Packaging unit 10 Pc.

  r L I.C S d
SNMG 120404-MR RT255M 0,4 12,7 12,7 4,76 5,16
SNMG 120408-MR RT255M 0,8 12,7 12,7 4,76 5,16
SNMG 120412-MR RT255M 1,2 12,7 12,7 4,76 5,16
Indexable insert - SNMG...-FE RT305
Rinaldi-Tools GmbH

Indexable insert - SNMG...-FE RT305

Price ab €4.60
Availability: 2147483557 In Stock

Shape SNMG
Processing Finish
Workpiece Material Stainless Steel
Grade RT305: PVD grade M20-M30 for stainless steel
with the most modern coating
Packaging unit 10 Pc.

  r L I.C S d
SNMG 120404-FE RT305 0,4 12,7 12,7 4,76 5,16
SNMG 120408-FE RT305 0,8 12,7 12,7 4,76 5,16
SNMG 120412-FE RT305 1,2 12,7 12,7 4,76 5,16
Indexable insert - WNMG ... -MA RT250M
Rinaldi-Tools GmbH

Indexable insert - WNMG ... -MA RT250M

Price ab €4.40
Availability: 2147483547 In Stock

Shape WNMG
Processing Medium
Workpiece Material Stainless Steel
Grade RT250M: PVD coated M20-M30 carbide.
Packaging unit 10 Pc.

  r L I.C S d
WNMG 080404-MA RT250M 0,4 8,7 12,7 4,76 5,16
WNMG 080408-MA RT250M 0,8 8,7 12,7 4,76 5,16
Indexable insert - WNMG ... -ALP RT100
Rinaldi-Tools GmbH

Indexable insert - WNMG ... -ALP RT100

Price ab €4.20
Availability: 2147483567 In Stock

Shape WNMG
Workpiece Material Aluminum, Plastics & NF-Metals
Grade RT100: Uncoated K10-K15 carbide for Aluminum and plastics
Packaging unit 10 Pc.

 

  r L I.C S d
WNMG 080404-ALZ RT100 0,4 8,7 12,7 4,76 5,16
WNMG 080408-ALZ RT100 0,8 8,7 12,7 4,76 5,16
Indexable insert - WNMG...-MR RT255M
Rinaldi-Tools GmbH

Indexable insert - WNMG...-MR RT255M

Price ab €4.40
Availability: 214748364 In Stock

Shape WNMG
Processing Medium/Roughing
Workpiece Material Stainless Steel
Grade RT255M: PVD coated M20-M30 carbide.
First choice for stainless steel
Packaging unit 10 Pc.

r L I.C S d
WNMG 060404-MR RT255M 0,4 6,5 9,525 4,76 3,81
WNMG 060408-MR RT255M 0,8 6,5 9,525 4,76 3,81
WNMG 060412-MR RT255M 1,2 6,5 9,525 4,76 3,81
WNMG 080404-MR RT255M 0,4 8,7 12,7 4,76 5,16
WNMG 080408-MR RT255M 0,8 8,7 12,7 4,76 5,16
WNMG 080412-MR RT255M 1,2 8,7 12,7 4,76 5,16

Indexable insert - WNMG...-FE RT305
Rinaldi-Tools GmbH

Indexable insert - WNMG...-FE RT305

Price ab €4.60
Availability: 2147483497 In Stock

Shape WNMG
Processing Finish
Workpiece Material Stainless Steel
Grade RT305: PVD grade M20-M30 for stainless steel
with the most modern coating
Packaging unit 10 Pc.

  r L I.C S d
WNMG 060404-FE RT305 0,4 6,5 9,525 4,76 3,81
WNMG 060408-FE RT305 0,8 6,5 9,525 4,76 3,81
WNMG 080404-FE RT305 0,4 8,7 12,7 4,76 5,16
WNMG 080408-FE RT305 0,8 8,7 12,7 4,76 5,16
Indexable insert - VNMG...-FE RT305
Rinaldi-Tools GmbH

Indexable insert - VNMG...-FE RT305

Price ab €6.90
Availability: 2147483547 In Stock

Shape VNMG
Processing Finish
Workpiece Material Stainless Steel
Grade RT305: PVD grade M20-M30 for stainless steel with the most modern coating
Packaging unit 10 Pc.

r L I.C S d
VNMG 160404-FE RT305 0,4 16,6 9,525 4,76 3,81
VNMG 160408-FE RT305 0,8 16,6 9,525 4,76 3,81
Indexable insert - VNMG...-SF RTC+
Rinaldi-Tools GmbH

Indexable insert - VNMG...-SF RTC+

Price ab €6.70
Availability: 2147483617 In Stock

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

 

r L I.C S d
VNMG 160404-SF RTC+ 0,4 16,6 9,525 4,76 3,81
VNMG 160408-SF RTC+ 0,8 16,6 9,525 4,76 3,81