Spring Pin System of Measurement Metric Pin Diameter 3 mm Pin Type Slotted Material Steel Material Grade/Class Grade 1070/Grade 1080 Finish Plain Usable Length 18 mm End Type Chamfered Wall Thickness 0.6 mm Fits Minimum Hole Diameter 3 mm Fits Maximum Hole Diameter 3.1 mm Shank Length 18 mm Maximum Chamfer Length 0.5 mm Minimum Chamfer Length 0.5 mm Nominal Diameter 3 mm Shank Length Tolerance +/-0.500 mm Product Type Spring Pin Rockwell Hardness HV 420-520