3a thread class right-hand 0.250" thread length headless (setscrew) head style 18 thread quantity per inch center drilled thru on longitudinal axis 0.191 in. dia unf thread series
3a thread class right-hand 0.625" thread length hexagon head style 0.125" hole diameter 24 thread quantity per inch cadmium surface treated unf thread series
3a nut thread thread class right-hand nut thread 0.670" nut thread thread length 20 stud thread thread quantity per inch navy special project unf stud thread thread series
3a thread class right-hand 0.844" thread length flat countersunk head style 32 thread quantity per inch passivate screw surface treated unf thread series
3a thread class right-hand 0.416" thread length flat countersunk head style 24 thread quantity per inch cadmium screw surface treated unc thread series
3a thread class right-hand 1.000" thread length hexagon head style 0.062" hole diameter 6.220" grip length 24 thread quantity per inch magnetic inspection required cadmium surface treated unf thread series
2a thread class right-hand 0.420" thread length hexagon head style 0.080" grip length 24 thread quantity per inch cadmium surface treated unc thread series
2a thread class right-hand 0.420" thread length hexagon head style 32 thread quantity per inch magnetic inspection required cadmium surface treated unf thread series
2a thread class right-hand 0.375" thread length flat chamfer head style 20 thread quantity per inch head vertically knurled passivate fastener surface treated unc thread series