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ER/L Whitworth (W) External Threading Inserts Grade IC250

3 Variations

ER/L-W: External Whitworth (BSW, BSF, BSP), full profile laydown threading inserts.
ER/L - Ground periphery and rake
ERB - With a chipformer and peripherally ground
ERM - With a chipformer.

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