3a thread class right-hand 0.094" thread length headless (setscrew) head style 80 thread quantity per inch navy special project cadmium surface treated unf thread series
3a thread class right-hand 0.493" thread length flat chamfer head style 0.047" hole diameter 28 thread quantity per inch passivate surface treated unf thread series
3a thread class right-hand 0.205" thread length headless (setscrew) head style 56 thread quantity per inch one hole drilled thru entire longitudinal axis 0.019 in. min 0.021 in. max dia unef thread series
3a thread class right-hand 0.813" thread length square head style 0.064" hole diameter 18 thread quantity per inch phosphate surface treated unc thread series