Spring Pin System of Measurement Metric Pin Diameter 8 mm Pin Type Slotted Material Steel Material Grade/Class Grade 1070/Grade 1080 Finish Plain Usable Length 40 mm End Type Chamfered Wall Thickness 1.5 mm Fits Minimum Hole Diameter 8 mm Fits Maximum Hole Diameter 8.15 mm Shank Length 40 mm Maximum Chamfer Length 2 mm Minimum Chamfer Length 2 mm Nominal Diameter 8 mm Shank Length Tolerance +/-0.500 mm Product Type Spring Pin Rockwell Hardness HV 420-520