3a thread class right-hand 0.276" thread length dished hexagon head style 1.125" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.300" thread length hexagon head style 24 thread quantity per inch hole drilled in shoulder perpendicular to bolt axis, 0.250 in. min 0.255 in. max dia. 1.916 in. min 1.922 in. max distance from bearing surface of head to center of hole cadmium surface treated unf thread series
2a thread class right-hand 0.280" thread length knurled no. 1 head style 32 thread quantity per inch navy special project passivate surface treated unc thread series
3a thread class right-hand 0.969" thread length flat chamfer head style 32 thread quantity per inch with patch or strip type element. cadmium surface treated unf thread series
