#822172 Spec Diameter Thread Threads Length Grade Finish Weight 0.5 (1/2) Partial 20 1.5 (1 1/2) Grade 8 Plain Finish .146 Diameter 0.5 (1/2) Thread 20 Length 1.5 (1 1/2) Grade Grade 8 Finish Plain Finish Weight .146 Need Something Custom?