3a thread class right-hand 1.750" thread length flat countersunk head style 32 thread quantity per inch cadmium screw surface treated unjc thread series
2a thread class right-hand 0.162" thread length hexagon head style 32 thread quantity per inch passivate surface treated concentric hole threaded unc thread series
2a thread class right-hand 1.040" thread length square head style 13 thread quantity per inch nickel screw surface treated has .533 in. dia knurl, 20 teeth per inch under head unc thread series
3a thread class right-hand 0.546" thread length pan head style 32 thread quantity per inch cadmium screw surface treated semigloss gray per fed std 595 no 6440 unf thread series
3a thread class right-hand 0.528" thread length dished hexagon head style 1.740" grip length 20 thread quantity per inch drilled hole 0.106-0.116 in. dia thru shank cadmium surface treated unjf thread series
2a thread class right-hand 0.250" thread length flat countersunk head style 40 thread quantity per inch cadmium screw surface treated unc thread series