12-Point Nuts


Available in a variety of sizes, all ARP 12-point nuts are constructed from aerospace-quality materials and meet high standards of excellence. Rated 180,000psi tensile strength.

* Cad Plated.

Thread Size
Socket size
Part-No.
1/4-28 5/16 *AR300-8300-1
5/16-24 3/8 AR300-8301-1
3/8-24 7/16 AR300-8302-1
7/16-20 1/2 AR300-8303-1
1/2-20 9/16 AR300-8304-1
1/2-20 5/8 AR300-8306-1
9/16-18 11/16 AR300-8305-1