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, ARP Stainless Steel, Polished, 5/16 in.-18 Thread, 180000psi, Each

ARP Nut, 12-point, ARP Stainless Steel, Polished, 5/16 in.-18 Thread, 180000psi, Each

$6.15

ARP Nut, 12-point, ARP Stainless Steel, Polished, 5/16 in.-24 Thread, 180000psi, Set of 2

ARP Nut, 12-point, ARP Stainless Steel, Polished, 5/16 in.-24 Thread, 180000psi, Set of 2

$12.33

Wilwood Nut, 1/4-20, Hex, Flexlock, Sps-21Fa420 Black Zinc

Wilwood Nut, 1/4-20, Hex, Flexlock, Sps-21Fa420 Black Zinc

$2.55

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 12mm x 1 Thread, 180000psi, Set of 2

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 12mm x 1 Thread, 180000psi, Set of 2

$19.20

ARP Nut, 12-point, ARP Stainless Steel, Polished, 1/4 in.-20 Thread, 180000psi, Each

ARP Nut, 12-point, ARP Stainless Steel, Polished, 1/4 in.-20 Thread, 180000psi, Each

$6.03

ARP Nut, Hex Head, Cad Plated Nyloc, Black Oxide, 1/2 in.-13 Standard Thread, Set of 5

ARP Nut, Hex Head, Cad Plated Nyloc, Black Oxide, 1/2 in.-13 Standard Thread, Set of 5

$9.12