QA1 steel jam nut set with 3/4-16 left hand threads, 1-1/8 inch hex, 7/16 inch width, in a 6-pack for automotive hardware. QA1 steel jam nut, 3/4-16 left hand thread, 1-1/8 inch hex, 7/16 inch wide, hardware kit, six-pack, automotive repair. QA1 steel jam nut set with 3/4-16 left hand thread, 1-1/8 inch hex, 7/16 inch width, 6 pack for automotive hardware.

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.