Product Tag - hss round precision punches

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.

DIN ISO8020 punch specification