3a thread class right-hand 0.571" thread length double hexagon extended washer head style 20 thread quantity per inch cadmium plate 0.0002 in. min, 0.0004 in. max thk cadmium surface treated unf thread series
3a thread class right-hand 0.208" thread length hexagon head style 0.056" hole diameter 32 thread quantity per inch silver plate 0.0002 in. min. 0.0005 in. max thk silver surface treated unf thread series
3a thread class right-hand 0.220" thread length flat countersunk head style 28 thread quantity per inch cadmium screw surface treated unf thread series
3a thread class right-hand 0.600" thread length hexagon head style 1.300" grip length 20 thread quantity per inch cadmium threads surface treated unf thread series
2a thread class right-hand 0.500" thread length flat chamfer head style 8 thread quantity per inch shank located between head cadmium surface treated unc thread series
3a thread class right-hand flush countersunk head style 0.567" grip length 95000 single pounds per square inch shear strength cadmium surface treated unjf thread series
3a thread class right-hand 1.000" thread length hexagon head style 16 thread quantity per inch head drilled 0.500 in. didia, 1.188 in. lg, countersunk 90 deg, 0.375-16unc-3b thd 0.875 in. deep unc thread series
2a thread class right-hand 1.000" thread length square head style 16 thread quantity per inch furnished one sq nut cadmium surface treated unc thread series