Spring Pin System of Measurement Inch Pin Diameter 5/16 in Pin Type Slotted Material Steel Material Grade/Class Ungraded Finish Plain Usable Length 4 in End Type Chamfered Chamfer Diameter 0.306 in Wall Thickness 0.062 in Fits Minimum Hole Diameter 5/16 in Fits Maximum Hole Diameter 5/16 in Shank Length 4 in Maximum Chamfer Length 0.08 in Minimum Chamfer Length 0.014 in Nominal Diameter 5/16 in Standards ASME B18.8.2 Product Type Spring Pin