#821666 Spec Diameter Thread Threads Length Grade Finish Weight 0.5 (1/2) Partial 13 2.75 (2 3/4) Grade 8 Zinc Yellow .2013 Diameter 0.5 (1/2) Thread 13 Length 2.75 (2 3/4) Grade Grade 8 Finish Zinc Yellow Weight .2013 Need Something Custom?