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Technical Description:Fully Threaded, Cap Screw Type; Grade 5 Steel Material; Zinc Plated Finish; 1-1/4 Inch; 13/64 Inch Head Height; 1/2 Inch Head Width Across Flat; 5/16 Inch Nominal Diameter; 18 TPI; Quenched and Tempered Process; Thread Type Coarse
UPC: 08593755221
Part Number: 55221