3a thread class right-hand 0.380" grip length 28 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 0.313" thread length flat countersunk head style 0.052" grip length 32 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 1.250" thread length flat chamfer head style 0.061" hole diameter 24 thread quantity per inch cadmium surface treated unrf thread series
Used on aircraft,eagle f-15. 3a thread class right-hand 1.027" thread length double hexagon w/hole head style 0.050" hole diameter 1.740" grip length 16 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 1.125" thread length flat chamfer head style 18 thread quantity per inch passivate fastener surface treated unrc thread series
3a thread class right-hand 0.381" thread length flat countersunk head style 1.115" grip length 32 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.381" thread length flat countersunk head style 0.990" grip length 32 thread quantity per inch aluminum surface treated unjf thread series
3a thread class right-hand 0.219" thread length oval countersunk head style 0.940" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.162" thread length flat countersunk head style 32 thread quantity per inch passivate fastener surface treated unjc thread series
3a thread class right-hand 0.559" thread length flat chamfer head style 56 thread quantity per inch navy special project passivate fastener surface treated unrc thread series