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, 9mm x 1 Thread, 180000psi, Each

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

$9.42

ARP Nut, Hex Head, Cad Plated Nyloc, Black Oxide, 5/16 in.-18 Standard Thread, Set of 5

ARP Nut, Hex Head, Cad Plated Nyloc, Black Oxide, 5/16 in.-18 Standard Thread, Set of 5

$7.98

ARP Nut, Hex, 8740 Chromoly, Steel, Black, Flanged, 3/8 in.-24 Thread, 180000psi, Each

ARP Nut, Hex, 8740 Chromoly, Steel, Black, Flanged, 3/8 in.-24 Thread, 180000psi, Each

$1.51

ARP Nut, 12-point, ARP Stainless Steel, Polished, 1/2 in.-13 Thread, 180000psi, Set of 10

ARP Nut, 12-point, ARP Stainless Steel, Polished, 1/2 in.-13 Thread, 180000psi, Set of 10

$89.77

ARP Nut, Hex, Steel, Cadmium, Serrated Flange, 5/16 in.-24 Thread, 150 000psi, Each

ARP Nut, Hex, Steel, Cadmium, Serrated Flange, 5/16 in.-24 Thread, 150 000psi, Each

$1.72

ARP Nut, 12-point, ARP Stainless Steel, Polished, 1/4 in.-28 Thread, 180000psi, Each

ARP Nut, 12-point, ARP Stainless Steel, Polished, 1/4 in.-28 Thread, 180000psi, Each

$6.03