... broach high hardness (stainless/wear-resistant/high precis High-speed cutting tools, carbide broaches, tungsten steel broaches, broach high hardness(stainless/wear ... . Conforming to ISO K25, can replace machining of materials like M42, ASP60, MPM, HSSCo10 etc, and can get 4-6 ... is not sufficient and there is chattering, jumping, otherwise, the blade will be hit or chipping will happen.HRF10:ultra micro ...