2a thread class right-hand 1.298" thread length round w/wrench flats head style 11 thread quantity per inch passivate surface treated counterbore threaded unc thread series
3a thread class right-hand 0.655" thread length flat chamfer head style 20 thread quantity per inch 0.045 in.wide, 0.065 in. deep circular groove on head unc thread series
3a thread class right-hand 0.740" thread length double hexagon extended washer head style 0.752" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.740" thread length double hexagon extended washer head style 0.815" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.740" thread length double hexagon extended washer head style 0.315" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand flush countersunk head style 0.625" grip length 24 thread quantity per inch 95000 single pounds per square inch shear strength passivate surface treated unjf thread series
3a thread class right-hand 0.381" thread length flat countersunk head style 0.802" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.312" thread length flat countersunk head style 40 thread quantity per inch navy special project cadmium surface treated unc thread series