#487101 Spec Diameter Thread Threads Length Grade Finish Weight 0.3125 (5/16) Full 18 0.75 (3/4) Grade 8 Phos & Oil .0263 Diameter 0.3125 (5/16) Thread 18 Length 0.75 (3/4) Grade Grade 8 Finish Phos & Oil Weight .0263 Need Something Custom?