2b thread class right-hand 0.600" overall length 0.600" overall width 40 thread quantity per inch hthe length of the item has a notched groove 0.070 in. height, 0.015 in. deep on top unc thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 1.875" overall length circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 3.125" overall length circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 3.062" overall length 2.172" overall width circular wafer, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.250" single mounting facility thread length 1.812" 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 2.312" overall length tap, circular, bushing mount unef single mounting facility thread series