Spring Pin System of Measurement Metric Pin Diameter 3 mm Pin Type Coiled Material Steel Material Grade/Class Ungraded Finish Plain Usable Length 20 mm End Type Chamfered Chamfer Diameter 2.9 mm Fits Minimum Hole Diameter 2.9 mm Fits Maximum Hole Diameter 3 mm Shank Length 20 mm Minimum Chamfer Length 0.9 mm Nominal Diameter 3 mm Standards D7344 ISO8748 Shank Length Tolerance +/-0.500 mm Product Type Spring Pin Rockwell Hardness HV30 420-560