ARP hex nuts are made from aerospace-quality material. They are available in chromoly or stainless steel, with hex-style heads. They come in many sizes to meet just about all of your needs and are rated at 180,000 psi tensile strength.

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ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 6mm x 1 Thread, 180000psi, Set of 10

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 6mm x 1 Thread, 180000psi, Set of 10

$96.38

RTS Nut, 12-point, 8740 Chromoly, Steel, Black, 9/16 in.-18 Thread, 11/16 Socket ,180000psi, 4 Pack

RTS Nut, 12-point, 8740 Chromoly, Steel, Black, 9/16 in.-18 Thread, 11/16 Socket ,180000psi, 4 Pack

$42.12

ARP Nut, Hex Head, Chromoly, Black Oxide, 1/2 in.-13 Standard Thread, Set of 5

ARP Nut, Hex Head, Chromoly, Black Oxide, 1/2 in.-13 Standard Thread, Set of 5

$9.12

ARP Nut, 12-point, ARP Stainless Steel, Polished, 9mm x 1 Thread, 180000psi, Each

ARP Nut, 12-point, ARP Stainless Steel, Polished, 9mm x 1 Thread, 180000psi, Each

$12.12

ARP Nut, 12-point, ARP Stainless Steel, Polished, 5/16 in.-18 Thread, 180000psi, Set of 10

ARP Nut, 12-point, ARP Stainless Steel, Polished, 5/16 in.-18 Thread, 180000psi, Set of 10

$57.54

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 7/16 in.-20 Thread, 180000psi, Set of 2

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 7/16 in.-20 Thread, 180000psi, Set of 2

$8.25