... , ASTM, BS, GB. Length: fixed or random Inspection institutio round bar punch pin Super-hard processing of professional, special, non-standard ... equipment for machining various materials including Ni\Cr\Mo\Si\Ti) that are hard to machine like high alloy\heat-resistant ... machine various hard-machining materials (containing Ni, Cr, Mo, Si, Ti etc.) like high temperature alloys, heat-resistant alloys, Ni-V ...