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material: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 good finish and realible perfprmance.

Stock medium size under 12mm ID all through year for your urgent needs.       

Tags: hss round precision punches, hws, iso8020a hss punch, mould ejector                 

This conical head ejector pin made per din1530d strictly.Accurately fine grinding make it have good finish and straighness. Head tempered make it have perfect malleability,very small radius under head to body about 0.3 make it not easy broken.
Dia: 1,1.2,1.3,1.4,1.5,2.0,2,1……14,16,18,20. Length: 63,71,80,100mm
Output per month: 50000 pcs.
Standard export packing in sealed poly bag in small box in carton strength by nylon straps within 15kgs each, for bulk order packed in wooden case.

How to order: iso8020a d1XL= qty(pcs)