3a thread class right-hand flush countersunk head style 0.193" grip length 32 thread quantity per inch 108000 single pounds per square inch shear strength cadmium surface treated unjc thread series
3a thread class right-hand 0.890" thread length hexagon head style 4.720" grip length 24 thread quantity per inch 4.320 in. min, 4.400 in. max of grip length from thd end, under cut cadmium surface treated unf thread series
2a thread class right-hand 0.547" thread length hexagon extended washer head style 32 thread quantity per inch passivate screw surface treated unc thread series
3a thread class right-hand 0.470" thread length double hexagon w/hole head style 0.312" grip length 28 thread quantity per inch all thd element diameters reduced 0.003 in. unjf thread series
