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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: Plastic
  • Materials: Special Materials
  • Materials: Steel
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  • Inserts: SN..
  • Inserts: WN..
Indexable insert - CNMG...-W RT315G
  • New

Indexable insert - CNMG...-W RT315G

Price ab €4.60
Availability: 2147483377 In Stock

Shape CNMG
Processing Finish/Medium
Workpiece Material Steel
Grade RT315G: Wear-resistant P10–P20 grade carbide with state-of-the-art CVD coating for steel machining
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 120404-W RT315G 0,4 12,9 12,7 4,76
CNMG 120408-W RT315G 0,8 12,9 12,7 4,76
CNMG 120412-W RT315G 1,2 12,9 12,7 4,76

Indexable insert - WNMG...-W RT315G
  • New

Indexable insert - WNMG...-W RT315G

Price ab €4.90
Availability: 2147483377 In Stock

Shape WNMG
Processing Finish/Medium
Workpiece Material Steel
Grade RT315G: Wear-resistant P10–P20 grade carbide with state-of-the-art CVD coating for steel machining.
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
WNMG 080408-W RT315G 0,8 8,7 12,7 4,76

Indexable insert - CNMG...-FP RT150+/250+

Price ab €3.90
Availability: 2147483467 In Stock

Shape CNMG
Processing Finish
Workpiece Material Steel
Grade RT150+: CVD-coated 2-color coated P10-P20 carbide for steel
RT250+:
CVD coated 2 color P20-P30 carbide for steel
Packaging unit 10 Pc.

  r L I.C. S
CNMG 120404-FP RT150+ 0,4 12,9 12,7 4,76
CNMG 120408-FP RT150+ 0,8 12,9 12,7 4,76
CNMG 120408-FP RT250+ 0,8 12,9 12,7 4,76

Indexable insert - CNMG...-PM RT250+

Price ab €3.90
Availability: 2147481247 In Stock

Shape CNMG
Processing Medium
Workpiece Material Steel
Grade RT250+: CVD coated 2-color P20-P30 carbide grade
for steel processing
Packaging unit 10 Pc.

r L I.C. S
CNMG 120404-PM RT250+ 0,4 12,9 12,7 4,76
CNMG 120408-PM RT250+ 0,8 12,9 12,7 4,76
CNMG 120412-PM RT250+ 1,2 12,9 12,7 4,76

Indexable insert - CNMG...-PR RT215+/225+

Price ab €4.40
Availability: 2147483597 In Stock

Shape CNMG
Processing Roughing
Workpiece Material Steel
Grade RT250+: CVD coated 2-color P20-P30 carbide grade
for steel processing
RT225+: CVD coated 2-color P20 carbide
the latest generation for general steel processing
Packaging unit 10 Pc.

r L I.C. S
CNMG 120408-PR RT215+/225+ 0,8 12,9 12,7 4,76
CNMG 120412-PR RT215+/225+ 1,2 12,9 12,7 4,76
CNMG 120416-PR RT215+/225+
1,6 12,9 12,7 4,76
CNMG 160608-PR RT215+/225+
0,8 16,1 15,875 6,35
CNMG 160612-PR RT215+/225+
1,2 16,1 15,875 6,35
CNMG 160616-PR RT215+/225+
1,6 16,1 15,875 6,35
CNMG 190612-PR RT215+/225+
1,2 19,3 19,05 6,35
CNMG 190616-PR RT215+/225+
1,6 19,3 19,05 6,35
CNMG 190624-PR RT215+/225+
2,4 19,3 19,05 6,35

Indexable insert - CNMG...-PM RT215+/225+

Price ab €4.40
Availability: 2147483637 In Stock

Shape CNMG
Processing Medium
Workpiece Material Steel
Grade RT250+: CVD coated 2-color P20-P30 carbide grade
for steel processing
RT225+: CVD coated 2-color P20 carbide
the latest generation for general steel processing
Packaging unit 10 Pc.

  r L I.C. S
CNMG 120404-PM RT215+ 0,4 12,9 12,7 4,76
CNMG 120408-PM RT215+ 0,8 12,9 12,7 4,76
CNMG 120412-PM RT215+ 1,2 12,9 12,7 4,76
CNMG 120416-PM RT215+ 1,6 12,9 12,7 4,76
CNMG 160608-PM RT215+ 0,8 16,1 15,875 6,35
CNMG 160612-PM RT215+ 1,2 16,1 15,875 6,35
CNMG 160616-PM RT215+ 1,6 16,1 15,875 6,35
CNMG 190608-PM RT215+ 0,8 19,3 19,05 6,35
CNMG 190612-PM RT215+ 1,2 19,3 19,05 6,35
CNMG 190616-PM RT215+ 1,6 19,3 19,05 6,35
CNMG 120404-PM RT225+ 0,4 12,9 12,7 4,76
CNMG 120408-PM RT225+ 0,8 12,9 12,7 4,76
CNMG 120412-PM RT225+ 1,2 12,9 12,7 4,76
CNMG 120416-PM RT225+ 1,6 12,9 12,7 4,76
CNMG 160608-PM RT225+ 0,8 16,1 15,875 6,35
CNMG 160612-PM RT225+ 1,2 16,1 15,875 6,35
CNMG 160616-PM RT225+ 1,6 16,1 15,875 6,35
CNMG 190608-PM RT225+ 0,8 19,3 19,05 6,35
CNMG 190612-PM RT225+ 1,2 19,3 19,05 6,35
CNMG 190616-PM RT225+ 1,6 19,3 19,05 6,35

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...-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 - CNMM...-XR RT225+

Price ab €4.40
Availability: 2147483487 In Stock

Shape CNMM
Processing Roughing
Workpiece Material Steel
Grade RT225+: CVD coated P20 carbide of
the latest generation for general steel processing
Packaging unit 10 Pc.

r L I.C. S
CNMM 120408-XR RT225+ 0,8 12,9 12,7 4,76
CNMM 120412-XR RT225+ 1,2 12,9 12,7 4,76
CNMM 120416-XR RT225+ 1,6 12,9 12,7 4,76
CNMM 160612-XR RT225+ 1,2 16,1 15,875 6,35
CNMM 160616-XR RT225+ 1,6 16,1 15,875 6,35
CNMM 160624-XR RT225+ 2,4 16,1 15,875 6,35
CNMM 190612-XR RT225+ 1,2 19,3 19,05 6,35
CNMM 190616-XR RT225+ 1,6 19,3 19,05 6,35
CNMM 190624-XR RT225+ 2,4 19,3 19,05 6,35

Indexable insert - CNGG...-SF RT110S

Price ab €6.10
Availability: 2147483597 In Stock

Shape CNGG
Processing Finish
Workpiece Material Heat resistant super alloys
Grade RT110S:
PVD-TialSin coated S10 carbide for heat resistant super alloys
Packaging unit 10 Pc.

r L I.C. S d
CNGG 120404-SF RT110S 0,4 12 12,7 4,76 5,16
CNGG 120408-SF RT110S 0,8 12 12,7 4,76 5,16

Indexable insert - CNMG...-SM RT110S

Price ab €5.20
Availability: 2147483347 In Stock

Shape CNMG
Processing Mittel
Workpiece Material Heat resistant super alloys
Grade RT110S:
PVD-TialSin coated S10 carbide for special materials
Packaging unit 10 Pc.

r L I.C. S d
CNMG 120408-SM RT110S 0,8 12 12,7 4,76 5,16
CNMG 120412-SM RT110S 1,2 12 12,7 4,76 5,16

Indexable insert - CNMG...-SR RT110S

Price ab €5.20
Availability: 2147483407 In Stock

Shape CNMG
Processing Roughing
Workpiece Material Heat resistant super alloys
Grade RT110S:
PVD-TialSin coated S10 carbide for special materials
Packaging unit 10 Pc.

r L I.C. S d
CNMG 120408-SR RT110S 0,8 12 12,7 4,76 5,16
CNMG 120412-SR RT110S 1,2 12 12,7 4,76 5,16

Indexable insert - CNMG 120408-RSN RT130S

Price ab €6.20
Availability: 10000000 In Stock
Shape CNMG
Processing Roughing
Workpiece Material Heat resistant super alloys
Grade RT130S: PVD-High Performance Insert for nickel-based alloys
such as heat-resistant and titanium alloys
Packaging unit 10 Pc.

PVD-High Performance Insert for nickel-based alloys such as heat-resistant and titanium alloys

L I.C S d r
CNMG 120408-RSN RT130S 12,9 12,7 4,76 5,16 0,8

Indexable insert - SNMG...-PM RT225+

Price ab €4.40
Availability: 2147483517 In Stock

Shape SNMG
Processing Medium
Workpiece Material Steel
Grade RT225+: CVD coated 2-color P20 carbide the latest
generation for general steel processing
Packaging unit 10 Pc.

  r L I.C S
SNMG 120404-PM RT225+ 0,4 12,7 12,7 4,76
SNMG 120408-PM RT225+ 0,8 12,7 12,7 4,76
SNMG 120412-PM RT225+ 1,2 12,7 12,7 4,76
SNMG 150608-PM RT225+ 0,8 15,875 15,875 6,35
SNMG 150612-PM RT225+ 1,2 15,875 15,875 6,35
SNMG 150616-PM RT225+ 1,6 15,875 15,875 6,35
SNMG 190608-PM RT225+ 0,8 19,05 19,05 6,35
SNMG 190612-PM RT225+ 1,2 19,05 19,05 6,35
SNMG 190616-PM RT225+ 1,6 19,05 19,05 6,35
SNMG 190624-PM RT225+ 2,4 19,05 19,05 6,35

Indexable insert - WNMG...-PM RT250+

Price ab €3.90
Availability: 2147483427 In Stock

Shape WNMG
Processing Medium
Workpiece Material Steel
Grade RT250+: CVD coated 2 color coated P20-P30 carbide for steel
RT225+: CVD coated 2-color P20 carbide the latest generation for general steel processing
Packaging unit 10 Pc.

  r L I.C S d
WNMG 060404-PM RT225+ 0,4 6,5 9,525 4,76 3,81
WNMG 060408-PM RT225+ 0,8 6,5 9,525 4,76 3,81
WNMG 080404-PM RT250+ 0,4 8,7 12,7 4,76 5,16
WNMG 080408-PM RT250+ 0,8 8,7 12,7 4,76 5,16
WNMG 080412-PM RT250+ 1,2 8,7 12,7 4,76 5,16

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