Standard Rust Free Black Course Thread
1/4"-20 12 Point ARP - Rust Free Black
5/16"-18 12 Point ARP - Rust Free Black
3/8"-16 12 Point ARP - Rust Free Black
3/8"-16W 12 Point ARP - Rust Free Black
7/16"-14 12 Point ARP - Rust Free Black
7/16"-14 (1/2" Wrenching) 12 Point ARP - Rust Free Black
1/2"-13 12 Point ARP - Rust Free Black
Standard Rust Free Black Fine Thread
1/4"-28 12 Point ARP - Rust Free Black
5/16"-24 12 Point ARP - Rust Free Black
3/8"-24 12 Point ARP - Rust Free Black
3/8"-24W 12 Point ARP - Rust Free Black
7/16"-20 12 Point ARP - Rust Free Black
1/2"-20 12 Point ARP - Rust Free Black