flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.595 mils grip length 11800 double pounds per square inch shear strength cadmium bolt surface treated
3a thread class right-hand 0.744" thread length double hexagon head style 2.782" grip length 12 thread quantity per inch nickel surface treated unjf thread series
3a thread class right-hand 0.443" thread length flat countersunk head style 1.552" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.443" thread length flat countersunk head style 1.302" grip length 28 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.443" thread length flat countersunk head style 1.178" grip length 28 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.313" thread length dished hexagon head style 5.365" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.250" thread length flat countersunk undercut head style 28 thread quantity per inch cadmium screw surface treated under cut is under cut for plastic washer unf thread series
3a thread class right-hand 0.391" thread length hexagon head style 2.062" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.252" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unjc thread series
3a thread class right-hand 0.750" thread length flat chamfer head style 0.044" hole diameter 32 thread quantity per inch thd portion is interrupted by undercut 0.450 in. from bearing surface of head passivate surface treated unf thread series
3a nut thread a thread class right-hand nut thread a 2.250" nut thread a thread length 21.250" overall length 11 nut thread a thread quantity per inch unc nut thread a thread series
3a nut thread a thread class right-hand nut thread a 2.250" nut thread a thread length 20.000" overall length 11 nut thread a thread quantity per inch unc nut thread a thread series
2a nut thread a thread class right-hand nut thread a 1.250" nut thread a thread length 17.000" overall length 16 nut thread a thread quantity per inch unc nut thread a thread series
3a thread class right-hand flush countersunk head style 0.751" grip length 48 thread quantity per inch hex socket in head cadmium surface treated uns thread series
3a thread class right-hand flush countersunk head style 0.255" grip length 6100 double pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.495" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjc thread series
