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, 8mm x 1.25 Thread, 180000psi, Set of 2

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 8mm x 1.25 Thread, 180000psi, Set of 2

$24.15

ARP Nut, 12-point Reduced Wrenching, Carbon Steel, Cadmium/Chromate, Self Locking, 3/8 in.-24 Thread, Each

ARP Nut, 12-point Reduced Wrenching, Carbon Steel, Cadmium/Chromate, Self Locking, 3/8 in.-24 Thread, Each

$6.09

ARP Nut, Self-Locking, Fixed Plate Design, Steel, Cadmium Finish, 1/4-28 in. RH, Countersunk Rivet Holes, Each

ARP Nut, Self-Locking, Fixed Plate Design, Steel, Cadmium Finish, 1/4-28 in. RH, Countersunk Rivet Holes, Each

$1.93

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 8mm x 1.25 Thread, 180000psi, Each

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 8mm x 1.25 Thread, 180000psi, Each

$12.06

ARP Nut, Hex Head, Cad Plated Nyloc, Black Oxide, 3/8 in.-16 Standard Thread, Set of 5

ARP Nut, Hex Head, Cad Plated Nyloc, Black Oxide, 3/8 in.-16 Standard Thread, Set of 5

$8.46