2 1 4 2 14 July 8, 2019 16 32 64 128 2 x 1 2 4 14 2 1 4 14 uns 2 1 4 14 thread dimensions 2 1 4 14 uns 2b 2 1 4 plus 2 14 2 1 4 14 tap 2 1 4 14 un thread dimensions 2 1 4 14 nut 2 1 4 14 thread 2 1 4 14 unc 2 1 4 14 un tap 2 1 4 14 tap drill size 2-1/4 -14 un thread 2 1 4 14 un nut