3a thread class right-hand 0.553" thread length flat chamfer head style 0.047" hole diameter 32 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 1.037" thread length bevel-conical head style 16 thread quantity per inch navy special project the taper of the head starts 0.094 in. from the bearing surface, the small end of the taper is 0.858 in. to the end of the first dia. cadmium surface treated unf thread series
2a thread class right-hand 0.250" thread length knurled no. 4 head style 32 thread quantity per inch navy special project thd end cone point passivate surface treated unf thread series
2a thread class right-hand 0.981" thread length fillister head style 0.037" hole diameter 40 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.423" thread length flat countersunk head style 1.365" grip length 24 thread quantity per inch nickel surface treated unjf thread series
