Ejector Pin H13 Nitrided Stepped D1=3.0,D=1.0,L=150,N=50mm (Head 6Ø x 4mm)
Matl. = SKD61 = H13/Hardness = HV900 Surface, & HRC 42-47 Inside.
Other sizes of pins and sleeves also available on indent. Un-nitrided pins are from FDAC (=H11) material with a through hardness of 35-40 HRC, and so can be machined to desired shape, then nitrided without further heat treatment.