Arp 1/2-20 12Pt. Nut (1) 300-8304

Arp 1/2-20 12Pt. Nuts (10) 300-8334Nut - 1/2-20 in Thread - 9/16 in 12 Point Head - Chromoly - Black Oxide - Universal - Set of 10

Arp 7/16-20 12Pt. Nut (1) 300-8303Nut - 7/16-20 in Thread - 1/2 in 12 Point Head - Chromoly - Black Oxide - Universal - Each

Arp 7/16-20 12Pt. Nuts (2) 300-8323Nut - 7/16-20 in Thread - 1/2 in 12 Point Head - Chromoly - Black Oxide - Universal - Pair

Arp 1/4-28 12Pt. Nut (1) 300-8300Nut - 1/4-28 in Thread - 5/16 in 12 Point Head - Chromoly - Black Oxide - Universal - Each