#015017 Spec Diameter Thread Threads Length Grade Finish Weight 0.4375 (7/16) Partial 20 3.25 (3 1/4) Grade 8 Plain Finish .1572 Diameter 0.4375 (7/16) Thread 20 Length 3.25 (3 1/4) Grade Grade 8 Finish Plain Finish Weight .1572 Need Something Custom?