#821828 Spec Diameter Thread Threads Length Grade Finish Weight 0.5 (1/2) Partial 13 2.125 (2 1/8) Grade 8 Plain Finish .2709 Diameter 0.5 (1/2) Thread 13 Length 2.125 (2 1/8) Grade Grade 8 Finish Plain Finish Weight .2709 Need Something Custom?