flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 108000 single pounds per square inch shear strength cadmium surface treated
3a thread class right-hand 0.338" thread length flat countersunk head style 0.428" grip length 32 thread quantity per inch internal drive ribbed unjf thread series
3a thread class right-hand 0.615" thread length hexagon head style 0.060" hole diameter 0.543" grip length 28 thread quantity per inch unjf thread series
Used on aircraft, harrier av-8b. 3a thread class right-hand 0.526" thread length spline extended washer head style 1.865" grip length 24 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.400" thread length dished hexagon head style 0.740" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.400" thread length dished hexagon head style 0.178" grip length 28 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 1.690" thread length hexagon extended washer head style 13 thread quantity per inch color black cadmium surface treated unrc thread series