2a thread class right-hand 0.284" thread length flat countersunk head style 32 thread quantity per inch oxide screw surface treated to be threaded to base of head unc thread series
3a thread class right-hand 0.569" thread length hexagon head style 0.070" hole diameter 0.615" grip length 20 thread quantity per inch unjf thread series
3a thread class right-hand 0.422" thread length flat chamfer head style 0.047" hole diameter 32 thread quantity per inch cadmium surface treated unf thread series
3a thread class right-hand 0.541" thread length undercut hexagon head style 0.700" grip length 24 thread quantity per inch cadmium surface treated unf thread series
