2a thread class right-hand 1.500" thread length hexagon head style 0.092" hole diameter 18 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.688" thread length hexagon head style 4.502" grip length 24 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 0.639" thread length flat countersunk head style 18 thread quantity per inch cadmium or zinc surface treated unc thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 26000 single pounds per square inch shear strength anodize or oxide film surface treated
3a thread class right-hand 0.255" grip length 125000 single pounds per square inch shear strength cadmium or chromate surface treated unjc thread series
3a thread class right-hand 0.130" grip length 32 thread quantity per inch 156000 single pounds per square inch shear strength cadmium or nickel surface treated unjf thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 90000 single pounds per square inch shear strength passivate surface treated
3a thread class right-hand 1.194" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 1.343" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.352" thread length flat countersunk head style 1.115" grip length 28 thread quantity per inch bearing surface of head to be grooved to 0.323 in. min 0.325 in. max dia, 0.050 in. min 0.055 in. max from top of head unjf thread series
3a thread class right-hand 0.276" thread length flat chamfer head style 0.047" hole diameter 24 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 0.428" grip length 32 thread quantity per inch cadmium surface treated unjc thread series
3a thread class right-hand 0.251" thread length flat countersunk head style 0.302" grip length 32 thread quantity per inch cadmium surface treated unjc thread series
3a thread class right-hand 0.400" thread length hexagon head style 0.046" hole diameter 1.428" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.400" thread length hexagon head style 0.046" hole diameter 1.240" grip length 28 thread quantity per inch unjf thread series
3a thread class right-hand 0.400" thread length hexagon head style 0.046" hole diameter 0.740" grip length 28 thread quantity per inch unf thread series
3a thread class right-hand 0.560" thread length round w/wrench flats chamfered head style 20 thread quantity per inch outer edge of one wrench flat chamfered 45 deg to a depth of 0.340 in. min, 0.360 in. max cadmium surface treated unf thread series
