flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.126" grip length 1010 single pounds per square inch shear strength cadmium sleeve surface treated
3a thread class right-hand 0.219" thread length flat chamfer head style 32 thread quantity per inch navy special project chromium surface treated unc thread series
3a thread class right-hand 0.812" thread length hexagon head style 4.985" grip length 20 thread quantity per inch passivate surface treated unf thread series
2a thread class right-hand 0.255" thread length knurled no. 1 head style 40 thread quantity per inch point style no. 16 oxide surface treated unc thread series
2a thread class right-hand 0.380" thread length hexagon head style 40 thread quantity per inch navy special project passivate screw surface treated unc thread series
2a thread class right-hand 0.820" thread length hexagon head style 20 thread quantity per inch navy special project cadmium surface treated unf thread series
2a thread class right-hand 0.720" thread length hexagon head style 2.000" grip length 20 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.407" thread length hexagon head style 0.300" grip length 32 thread quantity per inch identification disk on top of head 0.330 in. dia, 0.030 in. depth cadmium surface treated unf thread series
2a thread class right-hand 0.407" thread length hexagon head style 0.500" grip length 32 thread quantity per inch identification disk on top of head 0.330 in. dia, 0.030 in. depth cadmium surface treated unf thread series
2a thread class right-hand 0.537" thread length hexagon head style 1.300" grip length 24 thread quantity per inch cadmium surface treated unf thread series
