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, 3/8 in.-16 Thread, 180000psi, Each

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 3/8 in.-16 Thread, 180000psi, Each

$4.03

Trick Flow Nuts, 12-Point Head, Steel, Black Oxide, 5/16 in.-24 RH Thread, Set of 5

Trick Flow Nuts, 12-Point Head, Steel, Black Oxide, 5/16 in.-24 RH Thread, Set of 5

$39.73

ARP Nut, Hex, 8740 Chromoly, Steel, Black, Flanged, 5/16 in.-24 Thread, 180000psi, Set of 10

ARP Nut, Hex, 8740 Chromoly, Steel, Black, Flanged, 5/16 in.-24 Thread, 180000psi, Set of 10

$12.75

ARP Nut, Hex, Self Locking, Steel, Cadmium, 5/16 in.-24 Thread, 1/2 in. Height, Each

ARP Nut, Hex, Self Locking, Steel, Cadmium, 5/16 in.-24 Thread, 1/2 in. Height, Each

$26.82

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 3/8 in.-16 Thread, 180000psi, Set of 2

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 3/8 in.-16 Thread, 180000psi, Set of 2

$6.96

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 9mm x 1 Thread, 180000psi, Each

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 9mm x 1 Thread, 180000psi, Each

$9.42