#4-40 thread July 8, 2019 16 32 64 128 #4-40 thread dimensions 4 40 thread size 4 40 thread dimensions 4 40 thread diameter 4 40 threads 4 40 thread meaning 4 40 thread pitch diameter 4 40 threaded rod 4 40 thread major diameter 4-40 thread mill 4 40 thread minor diameter 4 40 threaded insert 4 40 thread od 4 40 thread drill size