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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

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on orders over €150

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

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  • Materials: Plastic
  • Materials: Stainless Steel
  • Inserts: CN..
  • Inserts: VN..
  • Processing: Finish
Indexable insert - CNMG...-W RT255M
  • New

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

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

 

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 - 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+

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