#487178 Spec Diameter Thread Threads Length Grade Finish Weight 12 (12) Full 1.75 30 (30) ISO 10.9 Phos & Oil .0991 Diameter 12 (12) Thread 1.75 Length 30 (30) Grade ISO 10.9 Finish Phos & Oil Weight .0991 Need Something Custom? Attributes Need Something Custom? ISO 10.9