2a thread class right-hand 0.340" thread length hexagon head style 12 thread quantity per inch hole, 0.047 in. dia, drilled thru one side only 1.510 in. from bearing surface of head to center of hole anodize surface treated concentric hole unthreaded unf thread series
2a thread class right-hand 0.450" thread length fillister head style 0.046" hole diameter 40 thread quantity per inch passivate screw surface treated unc thread series
flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style 0.047 " grip length 24000 single pounds per square inch shear strength oxide film surface treated
3a thread class right-hand 0.371" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unf thread series
2a thread class right-hand 1.375" thread length fillister head style 0.070" hole diameter 16 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.553" thread length dished hexagon head style 3.177" grip length 24 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.499" thread length hexagon head style 0.234" grip length 24 thread quantity per inch one drilled hole in head 0.046 in. min, 0.056 in. max dia cadmium surface treated unc thread series
3a thread class right-hand 0.469" thread length hexagon head style 5.562" grip length 28 thread quantity per inch passivate surface treated unf thread series
