#821769 Spec Diameter Thread Threads Length Grade Finish Weight 0.5 (1/2) Partial 13 2.5 (2 1/2) Grade 8 Plain Finish .1877 Diameter 0.5 (1/2) Thread 13 Length 2.5 (2 1/2) Grade Grade 8 Finish Plain Finish Weight .1877 Need Something Custom?