2a single mounting facility thread class 0.250" single mounting facility thread length 2.250" overall length circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.417" single mounting facility thread length 2.185" overall length tap, circular, bushing mount unef single mounting facility thread series
2a first mounting facility thread class right-hand first mounting facility 0.312" first mounting facility thread length 1.109" overall length 0.859" overall width 32 second mounting facility thread quantity per inch unc first mounting facility thread series
2b thread class right-hand 1.002" overall length 36 thread quantity per inch cadmium surface treated single clamping action w or w/o bushing uns thread series
2a thread class right-hand 0.555" overall length 28 thread quantity per inch cadmium surface treated double clamping action open frame type unef thread series