2a thread class right-hand 0.420" thread length headless (setscrew) head style 32 thread quantity per inch passivate fastener surface treated unf thread series
2a thread class right-hand 0.344" thread length flat chamfer head style 28 thread quantity per inch SL0t on opposite end 0094 in. w phosphate manganese surface treated unf thread series
3a thread class right-hand 0.588" thread length round w/wrench flats head style 12 thread quantity per inch primer surface treated concentric hole unthreaded un thread series
2a thread class right-hand 0.438" thread length spade head style 32 thread quantity per inch cadmium screw surface treated 0.140 in. dia drilled hole centrally located in head unc thread series
3a thread class right-hand 0.428" thread length flat countersunk head style 28 thread quantity per inch anodize screw surface treated unf thread series
3a thread class right-hand 0.515" thread length round w/wrench flats head style 20 thread quantity per inch second shoulder 1 degree angle, rate of reduction in dia. per inch of of length equals 0.0208 min unjc thread series
3a thread class right-hand 0.515" thread length round w/wrench flats chamfered head style 20 thread quantity per inch furnished with undercut 0.424 in. min 0.429 in. max dia; 0.125 in. nom length unjs thread series
3a thread class right-hand 0.511" thread length round w/wrench flats chamfered head style 0.098" hole diameter 24 thread quantity per inch uns thread series
3a thread class right-hand 0.734" thread length flat chamfer head style 28 thread quantity per inch thd relief 0.186 in. min. 0.196 in. max. dia 0.050 in. min wide 0.110 in. max wide unf thread series
2a thread class right-hand 0.236" thread length hexagon head style 0.059" grip length 32 thread quantity per inch navy special project nickel surface treated unf thread series