Description of ARP 300 8334 Stainless Steel 12 Point
12-point style is more compact than traditional hex style. Thread size is 1/2 - 20, and socket size is 9/16. Constructed from the finest aerospace-quality polished stainless steel. Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware. Package contains 10 nuts, each of which meets ARP's exacting quality control standards.