3a thread class right-hand 0.338" thread length flat countersunk head style 24 thread quantity per inch socket drive recess in thread end 0.170 in. min, 0.200 in max length; 0.1.582 in., 0.1617 in. max width across the flats passivate surface treated unjf thread series
3a thread class right-hand 0.345" thread length dished hexagon head style 4.178" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.320" thread length dished hexagon head style 2.740" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
2c thread class left-hand 5.377" thread length flat chamfer head style 5 thread quantity per inch with unthreaded portion between threads passivate surface treated acme thread series
2a thread class right-hand 0.479" thread length fillister head style 0.070" hole diameter 18 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.037" thread length flat countersunk head style 56 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 0.208" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 2.480" thread length hexagon extended washer head style 24 thread quantity per inch undercut 0.113 in. length; 0.321 in. min passivate surface treated unjf thread series