2a thread class right-hand 0.281" thread length flat chamfer head style 32 thread quantity per inch head vertically knurled passivate fastener surface treated unc thread series
3a thread class right-hand 0.443" thread length flat countersunk head style 0.178" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.381" thread length flat countersunk head style 0.178" grip length 32 thread quantity per inch passivate surface treated unjf thread series
Used on aircraft, thunderbolt ii, a-10. 3a thread class right-hand 0.444" thread length fillister countersunk head style 0.287" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.267" thread length flat countersunk head style 0.615" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 0.750" thread length hexagon head style 0.062" hole diameter 20 thread quantity per inch zinc surface treated unc thread series
3a thread class right-hand 0.710" thread length dished hexagon head style 2.490" grip length 20 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 0.683" grip length 36 thread quantity per inch 95000 double pounds per square inch shear strength unjc thread series