UNC Coarse Thread, Yellow Zinc finish, 150 psi minimum tensile strength, 1/4"-20 x 1/2" through 1 1/2"-6 x 7".

UNF & UNS Fine Thread, Yellow Zinc finish, 150 psi minimum tensile strength, 1/4"-28 x 3/8" through 1"-14 x 10".

UNC Coarse Thread, Zinc Plate, 120 psi minimum tensile strength, 1/4"-20 x 3/8" through 1 1/2"-6 x 12".

L9 Bolt, Nut, & washer, the strongest off-the-shelf fastening combination.

UNF & UNS Fine Thread, Zinc Plate, 120 psi minimum tensile strength, 1/4"-28 x 1/2" through 1"-14 x 7".

Fully Threaded, UNC Coarse, Zinc Plate, 120 psi minimum tensile strength, 1/4"-20 x 1/2" through 3/4"-10 x 6".

1/4"-20 x 3/8" through 1 1/4"-7 x 10"