#487180 Spec Diameter Thread Threads Length Grade Finish Weight 12 (12) Full 1.75 40 (40) ISO 10.9 Phos & Oil .1145 Diameter 12 (12) Thread 1.75 Length 40 (40) Grade ISO 10.9 Finish Phos & Oil Weight .1145 Need Something Custom? Attributes Need Something Custom? ISO 10.9