PIPE 3008324 - Hitachi

ARP 3008324 Stainless Steel 12-Point Nuts, Package Of 2, With 1/2-20 Thread Size And 9/16 Socket Size
ARP 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 2 nuts, each of which meets ARP's exacting quality control standards

ARP 3008324 Stainless Steel 12-Point Nuts, Package Of 2, With 1/2-20 Thread Size And 9/16 Socket Size
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 2 nuts, each of which meets ARP's exacting quality control standards