#821813 Spec Diameter Thread Threads Length Grade Finish Weight 0.375 (3/8) Full 16 0.625 (5/8) Grade 8 Zinc Flake .0449 Diameter 0.375 (3/8) Thread 16 Length 0.625 (5/8) Grade Grade 8 Finish Zinc Flake Weight .0449 Need Something Custom?