QA1 steel jam nut for 1-1/4-12 left hand threads, 1-7/8 inch hex, 11/16 inch wide hardware component. QA1 steel jam nut for 1-1/4-12 left hand threads, 1-7/8 inch hex, 11/16 inch wide hardware component in close-up. QA1 steel jam nut for 1-1/4-12 left hand threads, 1-7/8-inch hex, 11/16-inch width, hardware kit component

QA1 offers steel jam nuts for the industrial market. Steel jam nuts are made with high carbon steel and a protective coating and reference ANSI B18.2.2-1972.