2a single mounting facility thread class 0.375" single mounting facility thread length 3.494" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.250" single mounting facility thread length 1.400" overall length 1.125" overall width circular wafer, bushing mount unef single mounting facility thread series
2b thread class right-hand 2.703" overall length 1.625" overall width 32 thread quantity per inch cadmium surface treated hood, top opening unc thread series
2b thread class right-hand 3.156" overall length 2.141" overall width 32 thread quantity per inch cadmium surface treated hood, top opening unc thread series