3a thread class right-hand 0.408" thread length flat chamfer head style 0.044" hole diameter 32 thread quantity per inch oxide surface treated unrf thread series
2a thread class right-hand 0.750" thread length knurled no. 1 head style 32 thread quantity per inch navy special project third shoulder 0.250 in. dia, 3.706 in. length passivate surface treated unc thread series
3a thread class right-hand 0.691" thread length double hexagon head style 3.490" grip length 18 thread quantity per inch nickel surface treated unjf thread series
3a thread class right-hand 0.358" thread length round w/wrench flats head style 28 thread quantity per inch navy special project concentric hole unthreaded unf thread series
2a thread class right-hand 0.370" thread length flat chamfer head style 24 thread quantity per inch shank tapered from 0.225 in. plus or minus 0.002 dia at head to 0.190 in. dia 0.149 in. plus or minus 0.005 lg passivate surface treated unc thread series
3a thread class right-hand 0.750" thread length flat chamfer head style 13 thread quantity per inch 0.4998 in. plus 0.0000 or minus 0.0003 dia of unthreaded portion of shank passivate surface treated unc thread series
3a thread class right-hand 0.427" thread length flat chamfer head style 18 thread quantity per inch 0.040 in. min 0.060 in. max w b 0.470 in. min 0.480 in. max undercut under head unf thread series
2a thread class right-hand 0.559" thread length flat countersunk head style 24 thread quantity per inch phosphate screw surface treated unf thread series
2a thread class right-hand 0.219" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unc thread series
2a thread class right-hand 0.535" thread length flat countersunk head style 24 thread quantity per inch phosphate screw surface treated unf thread series
2a thread class right-hand 0.410" thread length flat countersunk head style 24 thread quantity per inch phosphate screw surface treated unf thread series
