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 chromate surface treated
3a thread class right-hand 0.291" thread length oval countersunk head style 0.990" grip length 28 thread quantity per inch passivate surface treated unjf thread series
3a thread class right-hand 0.516" thread length dished hexagon head style 3.740" grip length 18 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.313" thread length dished hexagon head style 1.615" grip length 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.554" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unjf thread series
3a thread class right-hand 0.527" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
3a thread class right-hand 0.374" thread length hexagon head style 0.046" hole diameter 0.359" grip length 32 thread quantity per inch unf thread series
3a thread class right-hand 0.745" thread length flat chamfer head style 20 thread quantity per inch passivate fastener surface treated unrc thread series
3a thread class right-hand flush countersunk head style 0.439" grip length 24 thread quantity per inch 156000 single pounds per square inch shear strength nickel surface treated unjf thread series
3a thread class right-hand flush countersunk head style 1.552" grip length 20 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand flush countersunk head style 2.302" grip length 20 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series