... ,Material:HSS M-2, SKH-9, SKD11 TEM Nitrided Ejector Pin Specifications and Variables Highly polished finish 6-8 micro finish ... JIS DIA. TOLERANCE 0.0002’’ HARDNESS determined by material PLACE OF ORIGIN Guangdong, China(Mainland) MACHINE TYPE Punching Machine Delivery: 3 ... order place and payment settled We are a professional manufacturer of Core Pins, Metric Core Pins, Punch, Punch Pins, Guide Pins ...