#821089 Spec Diameter Thread Threads Length Grade Finish Weight 0.625 (5/8) Full 18 2.5 (2 1/2) Grade 8 Phos & Oil .317 Diameter 0.625 (5/8) Thread 18 Length 2.5 (2 1/2) Grade Grade 8 Finish Phos & Oil Weight .317 Need Something Custom?