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, 7mm x 1 Thread, 180000psi, Set of 2

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 7mm x 1 Thread, 180000psi, Set of 2

$16.41

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 5/16 in.-18 Thread, 180000psi, Each

ARP Nut, 12-point, 8740 Chromoly, Steel, Black, 5/16 in.-18 Thread, 180000psi, Each

$3.96

ARP Nut, 12-point, ARP Stainless Steel, Polished, 7/16 in.-20 Thread, 180000psi, Each

ARP Nut, 12-point, ARP Stainless Steel, Polished, 7/16 in.-20 Thread, 180000psi, Each

$6.81

Wilwood Nut, 5/16-24, Nylock, Shoulder, Std Pattern Zinc, Type Ii, Gold

Wilwood Nut, 5/16-24, Nylock, Shoulder, Std Pattern Zinc, Type Ii, Gold

$0.42

ARP Nut, 12-point Reduced Wrenching, Carbon Steel, Cadmium/Chromate, Self Locking, 5/16 in.-24 Thread, Each

ARP Nut, 12-point Reduced Wrenching, Carbon Steel, Cadmium/Chromate, Self Locking, 5/16 in.-24 Thread, Each

$6.09

Wilwood Nut, 5/16-24, Clinch

Wilwood Nut, 5/16-24, Clinch

$3.44