flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.688" grip length anodize sleeve or chromate sleeve surface treated
3a thread class right-hand 0.250" thread length flat chamfer head style 20 thread quantity per inch navy special project passivate surface treated unc thread series
3a thread class right-hand 0.750" thread length hexagon head style 28 thread quantity per inch second dia from head rounded both sides 0.195 in. from full dia of 0.250 in. silver surface treated unjf thread series
3a thread class right-hand 0.700" thread length round w/wrench flats head style 24 thread quantity per inch externally relieved bodies rounded 0.150 in. radius on both ends of each dia unjf thread series
3a thread class right-hand 0.338" thread length pan no. 2 head style 0.990" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.378" thread length pan no. 2 head style 0.552" grip length 28 thread quantity per inch internal drive ribbed cadmium surface treated unjf thread series
3a thread class right-hand 1.127" thread length flat chamfer head style 24 thread quantity per inch color black oxide surface treated unf thread series
2a thread class right-hand 0.693" thread length pan no. 2 head style 0.312" hole diameter 11 thread quantity per inch concentric hole threaded unc thread series
3a thread class right-hand 0.400" thread length hexagon head style 28 thread quantity per inch washer anodizing or chemically treated per mil-c-5541 unjf thread series
3a thread class right-hand 0.316" thread length pan head style 0.938" grip length 28 thread quantity per inch 0.076 in. dia hole thru thds cadmium surface treated unf thread series
