1 16 un 2a thread July 8, 2019 16 32 64 128 1 5 16 12 un 2a thread dimensions 1 1 16 12 un 2a thread dimensions 1-14 uns-2a thread diameter 16 un-2a thread 1 1/2-16 un thread dimensions 1/2 unf thread 1 1/2-16 unf thread
