Round Clipping Punch cylindrical head Iso8020a
cylindrical head round body precision punches as per iso8020a.
material we usually use is HSS(1.3343,M2),HWS(1.2080) chrome alloy steel.
head hardness=50±5 shaft hardness=60±2.Fine grinding and strict heattreatment technology make it have good finish and realible quality perfprmance.
Stock medium size under 12mm ID all through year for your urgent need.