flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 85000 single pounds per square inch shear strength passivate surface treated
3a thread class right-hand 0.213" thread length flat countersunk head style 0.178" grip length 40 thread quantity per inch cadmium surface treated unjc thread series
2a thread class right-hand 1.240" thread length hexagon head style 8 thread quantity per inch screw, cap, hexagon head zinc surface treated unc thread series
3a thread class right-hand 0.408" thread length fillister extended washer head style 32 thread quantity per inch cadmium surface treated unjf thread series
3a thread class right-hand 0.401" thread length flat countersunk head style 28 thread quantity per inch cadmium or cadmium screw surface treated unjf thread series
3a thread class right-hand 0.750" thread length hexagon head style 20 thread quantity per inch configuration - screw, type - i, grade - 8, condition - hardened unc thread series
3a thread class right-hand 0.990" thread length hexagon head style 0.060" hole diameter 0.440" grip length 24 thread quantity per inch unjf thread series