2a thread class right-hand 0.667" thread length hexagon head style 24 thread quantity per inch longitudinal hole in center of hex head 0.250 in. diameter by 0.250 in. deep unf thread series
3c thread class right-hand 2.130" thread length hexagon head style 10 thread quantity per inch furnished with pin under head with hole 0.092 in. min passivate surface treated acme thread series
2a thread class right-hand 2.000" thread length hexagon head style 0.123" hole diameter 14 thread quantity per inch zinc surface treated unf thread series
