2a single mounting facility thread class 0.437" single mounting facility thread length 3.629" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.437" single mounting facility thread length 3.283" overall length tap, circular, bushing mount unef single mounting facility thread series
2a single mounting facility thread class 0.375" single mounting facility thread length 3.629" overall length tap, circular, bushing mount unef single mounting facility thread series