... available 3,Material:HSS M-2,SKH-9, SKD11, ITEM punch dies Specifications and Variables Highly polished finish 6-8 micro ... are a professional manufacturer of Core Pins, Metric Core Pins, Punch, Punch Pins, Guide Pins, Dowel Pins, Parallel Pins, Guide Pillar, ... available:precision ground plates, with different shapes for punches and ball-locked punches high precision gauge pins with and without handle ...