#015140 Spec Diameter Thread Threads Length Grade Finish Weight 0.625 (5/8) Partial 18 5.5 (5 1/2) Grade 8 Plain Finish .5463 Diameter 0.625 (5/8) Thread 18 Length 5.5 (5 1/2) Grade Grade 8 Finish Plain Finish Weight .5463 Need Something Custom?