IR/L Metric Internal Threading Inserts

IR/L - ground periphery and rake
IRB - with a chipformer and peripherally ground
IRM - with a chipformer

Grade IC908
(P15-P30, M20-M30, K20-K30) PVD coated. Suitable for low to medium speed. IC908 high toughness for interrupted cuts. Excellent notch wear and build up edge resistance.

IC228 PVD COATED (P30-P50 K25-K40) For alloy steels, aluminum alloys, austenitic stainless steel, carbon steel, cast steel, copper alloys and Exotic alloys. Suitable for roughing and semi-roughing in low speed / high feed and interrupted cut conditions. High resistance to mechanical & thermal shock.

Grade: IC250
For high loads and medium to high cutting speed.
ISO Range - P/M/K: (P15-P35)(M20-M40)
Grade or Coating Type: PVD
Coating Layers: TiCN+TiN