ER/L Unified (UN) External Threading Inserts Grade IC250

ER/L-UN : External American UN full profile (UN, UNC, UNF, UNEF) laydown threading inserts. ER/L - ground periphery and rake, ERB - with a chipformer and peripherally ground, ERM - with a chipformer for general industry.

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