Spring Pin System of Measurement Inch Pin Diameter 5/16 in Pin Type Coiled Material Steel Material Grade/Class Ungraded Finish Plain Usable Length 2 in End Type Chamfered Chamfer Diameter 0.304 in Fits Minimum Hole Diameter 5/16 in Fits Maximum Hole Diameter 5/16 in Shank Length 2 in Maximum Chamfer Length 0.08 in Nominal Diameter 5/16 in Standards ASME B18.8.2 Shank Length Tolerance +/-0.025 in Product Type Spring Pin Outside Diameter Tolerance +/-0.012 in