Spring Pin System of Measurement Inch Pin Diameter 3/16 in Pin Type Coiled Material Steel Material Grade/Class Grade 1070/Grade 1074 Finish Plain Usable Length 2 1/2 in End Type Chamfered Chamfer Diameter 0.182 in Fits Minimum Hole Diameter 3/16 in Fits Maximum Hole Diameter 3/16 in Shank Length 2 1/2 in Maximum Chamfer Length 0.055 in Nominal Diameter 3/16 in Standards ASME B18.8.2 Shank Length Tolerance +/-0.010 in Product Type Coiled Spring Pin Rockwell Hardness RC43-52