Specification:SizeM3, M4, M5, M6, M8Quantity1pcsMaterialHead of chamfer tool: M35(HSSCo 5%)Fixed tail of chamfer tool: 45# steelScrew tap: HSS6542Features:The chamfering tool is made of high-speed steel material, which is durable and long time to use.It is mainly used to reverse the chamfering when ..