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, 7/16 in.-20 Thread, 180000psi, Set of 10

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 7/16 in.-20 Thread, 180000psi, Set of 10

$41.25

ARP Nut, Self-Locking, Fixed Plate Design, Steel, Cadmium Finish, 10-32 Thread, Each

ARP Nut, Self-Locking, Fixed Plate Design, Steel, Cadmium Finish, 10-32 Thread, Each

$1.02

MILODON Nuts, 12-Point Head, Chromoly, Natural, 7/16 in.-20 RH Thread, Set of 10

MILODON Nuts, 12-Point Head, Chromoly, Natural, 7/16 in.-20 RH Thread, Set of 10

$103.12

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, Hex, Carbon Steel, Cadmium/Chromate, Self Locking, 5/16 in.-24 Thread, Each

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

$3.96