Spring Pin System of Measurement Inch Pin Diameter 1/4 in Pin Type Coiled Material Stainless Steel Material Grade/Class 420 Finish Plain Usable Length 3 in End Type Chamfered Chamfer Diameter 0.243 in Fits Minimum Hole Diameter 1/4 in Fits Maximum Hole Diameter 1/4 in Shank Length 3 in Maximum Chamfer Length 0.065 in Minimum Chamfer Length Not Applicable Nominal Diameter 1/4 in Standards ASME B18.8.2 Shank Length Tolerance +/-0.025 in Product Type Not Applicable