3a thread class right-hand crowned hexagon head style 24 thread quantity per inch slot 0.061 in. min, 0.077 in. max wide, 0.097 in. min, 0.130 in. max long, end of shank. hole in shank 0.907 in. min, 0.969 in. max from head bearing surface. 0.076 in. min, 0.081 in. max dia cadmium surface treated unjf thread series
3a thread class right-hand headless (setscrew) head style 32 thread quantity per inch 0.093 in.nom dia. through hole, counterbore on point end 0.160 in. deep, 0.125 in. min, 0.130 in. max dia passivate surface treated unf thread series
3a thread class right-hand 0.166" thread length headless (setscrew) head style 56 thread quantity per inch screw, set, socket, cone point class 3a zinc or cadmium surface treated unc thread series
3a thread class right-hand pan head style 32 thread quantity per inch two keyways extending 0.040 of an inch from bearing surface of head through threads to 0.040 of an inch from point. furnished with retaining ring passivate surface treated unc thread series
