#487104 Spec Diameter Thread Threads Length Grade Finish Weight 0.3125 (5/16) Partial 18 1.5 (1 1/2) Grade 8 Phos & Oil .045 Diameter 0.3125 (5/16) Thread 18 Length 1.5 (1 1/2) Grade Grade 8 Finish Phos & Oil Weight .045 Need Something Custom?