3a thread class right-hand 0.813" thread length bevel-conical head style 0.070" hole diameter 20 thread quantity per inch cadmium surface treated unjf thread series
2a thread class left-hand 4.540" thread length 11.300" overall length 20 thread quantity per inch supply with 0.250-28unf 2a thd on point 0.400 in. lg nickel surface treated unf thread series
3a thread class right-hand 0.359" thread length flat chamfer head style 0.044" hole diameter 18 thread quantity per inch cadmium surface treated unrc thread series
3a thread class right-hand 0.626" thread length hexagon head style 1.240" grip length 18 thread quantity per inch cadmium surface treated unjf thread series
2a thread class right-hand 1.097" thread length pan head style 40 thread quantity per inch navy special project passivate screw surface treated unc thread series
3a thread class right-hand 1.3760" grip length 28 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjf thread series