Spring Pin System of Measurement Metric Pin Diameter 12 mm Pin Type Slotted Material Steel Material Grade/Class Grade 1070/Grade 1080 Finish Plain Usable Length 60 mm End Type Chamfered Wall Thickness 2.5 mm Fits Minimum Hole Diameter 12 mm Fits Maximum Hole Diameter 12.18 mm Shank Length 50 mm Maximum Chamfer Length 2 mm Minimum Chamfer Length 2 mm Nominal Diameter 12 mm Shank Length Tolerance +/-0.750 mm Product Type Spring Pin Rockwell Hardness HV 420-520