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, 1/2 in.-20 Thread, 180000psi, Set of 2

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 1/2 in.-20 Thread, 180000psi, Set of 2

$13.86

ARP Nut, Hex, Carbon Steel, Cadmium/Chromate, Self Locking, 3/8 in.-24 Thread, Each

ARP Nut, Hex, Carbon Steel, Cadmium/Chromate, Self Locking, 3/8 in.-24 Thread, Each

$4.16

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 3/8 in.-24 Thread, 180000psi, Set of 10

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 3/8 in.-24 Thread, 180000psi, Set of 10

$36.57

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 9/16 in.-12 Thread, 180000psi, Set of 2

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 9/16 in.-12 Thread, 180000psi, Set of 2

$33.83

ARP Nut, Hex, ARP Stainless Steel, Polished, Flanged, 3/8 in.-16 Thread, 180000psi, Each

ARP Nut, Hex, ARP Stainless Steel, Polished, Flanged, 3/8 in.-16 Thread, 180000psi, Each

$6.58

ARP Nut, Hex, Self Locking, Drilled, Carbon Steel, Cadmium/Chromate, 5/16 - 24 in, Each

ARP Nut, Hex, Self Locking, Drilled, Carbon Steel, Cadmium/Chromate, 5/16 - 24 in, Each

$32.92