Screw Internal Turning Tool Holders for couplings / lathe processing

Screw Internal Turning Tool Holders for couplings / lathe processing Quick Detail: High Quality 42CrMo Good Heat-Treatment,Hardening and Tempering. Hardness: >HRC45 Manufactuered by High Precision CNC Turning and Milling Inserts Type: VB... Type Clamping Type:Screw on Clamp(S Type) 1 piece packing. Description: High Quality Alloy Steel:42CrMo,produced by high Precision CNC turning machine and Milling Machine.Good Heat-Treatment,Hardening and Tempering.Hardness: >HRC45,Screw