CBN Turning Inserts | TNMG WNMG VNMG CNMG for Hardened Steel & Cast Iron

CBN Turning Insert

CBN (1T): single cutting-edge option for light and general machining.

CBN (NT): multi-edge option for applications where additional usable cutting edges are preferred.

CBN (Pro): higher-grade option intended for improved wear resistance and durability.

CBN

Heat resistance:1440-1500 C°
Compressive strength：500-800/MPa
Hardness:3500-5000HV
Fracture toughness:9.0
Thermal conductivity:200-300
CTE(coefficient of thermal expansion):3.5-4.8

CBN is intended for ferrous and hard-material turning applications. Typical uses listed for this product include hardened steel, bearing steel, high-speed steel, tool steel and chilled cast iron, with both roughing and finishing variants available depending on insert geometry and grade.

SNMG

VNMG