UNC (Coarse) Thread, 1/2"-13 x 1 1/2" thru 1 1/4"-8 x 8", use with A194 2H nuts for high pressure applications.

UNC (Coarse) & 8UN Thread, 1/4"-20 thru 3 1/2"-8, use with A193 B7 bolts for high pressure applications.

UNC (Coarse) & 8UN Thread, 3/8"-8 thru 3"-8, use with A193 B7 bolts for high pressure applications.

UNC (Coarse) Thread, Plain Finish, 1/2"-13 x 1 1/4" thru 1 1/2"-6 x 8", use with A563 nuts.

UNC (Coarse) Thread, Hot Dipped Galvanized, 1/2"-13 x 1 1/4" thru 1 1/4"-7 x 10", use with A563 nuts.

UNC (Coarse) Thread, 1/4"-20 thru 4"-4, use with F1554 Grade 36 and Grade 55 threaded rods.

UNC (Coarse) Thread, 1/2"-13 thru 2 1/4"-4 1/2

Hot Dipped Galvanized, 1/4 thru 3" ID, 5/8 thru 5 1/2" OD

Commonly used with a straight rod anchor bolt and nuts to provide a larger surface area for embedment. 1/2" x 2" sq thru 1" x 3 1/2" sq.