42CrMo Lock nut
Product Details
Lock nut processed by CNC gantry machining center
Outline size：Ф880*430 CNC lathe rough turning allowance gantry milling machining end M42 screw hole side r130 arc, high frequency end, finish turning external circle internal thread tr750 * 12
Texture of material：42CrMo
Measure：Hardness tester