Spring Pin System of Measurement Metric Pin Diameter 3 mm Pin Type Coiled Material Steel Material Grade/Class Grade 1070/Grade 1074 Finish Plain Usable Length 8 mm End Type Chamfered Chamfer Diameter 2.4 mm Fits Minimum Hole Diameter 2.99 mm Fits Maximum Hole Diameter 3.1 mm Shank Length 8 mm Maximum Chamfer Length 0.7 mm Nominal Diameter 3 mm Standards AISI 1070 - 1080 Shank Length Tolerance +/-0.250 mm Product Type Coiled Spring Pin Rockwell Hardness RC43-52