ARP nuts are made from aerospace-quality material with 12-point style heads. Available in chromoly or stainless steel, 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, Hex Head, Chromoly, Black Oxide, 5/16 in.-18 Standard Thread, Set of 5

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

$7.98

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

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

$31.35

ARP Nut, 12-point, ARP Stainless Steel, Polished, 7/16 in.-14 Thread, 180000psi, Set of 10

ARP Nut, 12-point, ARP Stainless Steel, Polished, 7/16 in.-14 Thread, 180000psi, Set of 10

$63.84

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

Wilwood Nut, 5/16-24, Hex, Thin Nylock

Wilwood Nut, 5/16-24, Hex, Thin Nylock

$0.33