#015097 Spec Diameter Thread Threads Length Grade Finish Weight 0.5625 (9/16) Full 18 1.5 (1 1/2) Grade 8 Plain Finish .1497 Diameter 0.5625 (9/16) Thread 18 Length 1.5 (1 1/2) Grade Grade 8 Finish Plain Finish Weight .1497 Need Something Custom?