#822999 Spec Diameter Thread Threads Length Grade Finish Weight 0.3125 (5/16) Partial 18 0.5 (1/2) Grade 5 Magni 501 .0387 Diameter 0.3125 (5/16) Thread 18 Length 0.5 (1/2) Grade Grade 5 Finish Magni 501 Weight .0387 Need Something Custom?