3a thread class right-hand 1.875" thread length bevel-conical head style 0.250" hole diameter 12 thread quantity per inch drilled hole in threaded end no. three 60 degrees; 0.260 in. depth unf thread series
2a thread class right-hand 0.553" thread length dished hexagon head style 1.240" grip length 32 thread quantity per inch cadmium surface treated unf thread series
2a thread class right-hand 1.000" thread length hexagon head style 0.125" hole diameter 0.375" grip length 18 thread quantity per inch unf thread series