Cotter Pin System of Measurement Inch Pin Diameter 1/4 in Pin Type Bridge Material Stainless Steel Material Grade/Class 18-8 Finish Plain Usable Length Not Applicable Product Type Cotter Pin Shank Length 4 in Fits Maximum Shaft Diameter 1 in Fits Minimum Shaft Diameter 3/4 in Manufacturer Location Globally Sourced Standards ANSI B18.8.1 ASME B18.8.1 Pack Size Small Pack