... service available 3,Material:HSS M-2, SKH-9, SKD11,ASP23,ASP3 ITEM stepped punch Specifications and Variables Highly polished finish ... 64-65 and triple drawn available on request. TYPEOversizeMATERIALHSS M-2, SKH-9, SKD11,ASP23,ASP30etc STARDANDDIN AISI JISDIA. ... are a professional manufacturer of Core Pins, Metric Core Pins, Punch, Punch Pins, Guide Pins, Dowel Pins, Parallel Pins, Guide Pillar, ...