#014555 Spec Diameter Thread Threads Length Grade Finish Weight 0.3125 (5/16) Partial 18 3.5 (3 1/2) Grade 8 Plain Finish .0832 Diameter 0.3125 (5/16) Thread 18 Length 3.5 (3 1/2) Grade Grade 8 Finish Plain Finish Weight .0832 Need Something Custom?