1 3 4 acme thread July 8, 2019 16 32 64 128 1 3 4 acme thread dimensions 1 3 4 acme threaded rod 1 3 8 4 acme thread 1 3 8 4 acme thread dimensions Acme thread cutting 3/4 acme thread Acme 3 1/4 4 acme thread