Spring Pin System of Measurement Inch Pin Diameter 29/64 in Pin Type Slotted Material Stainless Steel Material Grade/Class 18-8 Finish Plain Usable Length 2 1/2 in End Type Chamfered Chamfer Diameter 0.43 in Wall Thickness 0.077 in Fits Minimum Hole Diameter 7/16 in Fits Maximum Hole Diameter 7/16 in Shank Length 2 1/2 in Maximum Chamfer Length 0.095 in Minimum Chamfer Length 0.017 in Nominal Diameter 7/16 in Standards ASME B18.8.2 Shank Length Tolerance +/-0.025 in