Punch Pin for Making Screw Wear Impact Resistance 

High precision Punch Pin for Making Screw Customization is welcome in Henghui. We can process all kind of high quality punch pin according to your drawings.   Product Description     Description of screw punch pin Application Machine thread , Tapping thread , Wooden thread , Dry wall Thread… Material Tungsten Carbide,HSS etc  Standard JIS,DIN,ANSI,ISO,BS,GB, SPECIAL   Hardness M2:61°-63° & M42: 64°-66°   Coating PLAIN…

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