Guide / Ejector Pins

Ejector Pin Standards

Standard ejector pin dimensions and grades

Standard Pin Diameters

Metric (mm)JISHASCO (EU)DME (NA)
1, 1.5, 2, 2.5, 3STDZ40-
3, 4, 5, 6, 8, 10STDZ40/Z46EP Series
12, 13, 16, 20STDZ41EP Series

Clearance

Pin-to-plate clearance: 0.01-0.02mm for precision, 0.02-0.04mm for standard. Nitrided pin recommended for abrasive materials.