3.222" overall length bolt is externally threaded 0.8750-14 unjf-3a; shank is 0.875 diameter; sholder is 1.170 diameter; head thickness is 0.350 passivate surface treated
Used on mrap buffalo mk2a2. right-hand 30.0mm thread length hexagon head style class 10.9 yellow zinc-plated steel hex head cap screw material class 10.9 zinc surface treated m thread series