#014752 Spec Diameter Thread Threads Length Grade Finish Weight 0.5625 (9/16) Partial 12 4.5 (4 1/2) Grade 8 Plain Finish .3541 Diameter 0.5625 (9/16) Thread 12 Length 4.5 (4 1/2) Grade Grade 8 Finish Plain Finish Weight .3541 Need Something Custom?