About Dependable Acme Threaded ProductsHISTORY
prior to 1895, ACME threads were intended
to replace square threads and a variety of threads of other forms used
chiefly for the purpose of transversing motions on machine tools, etc.
ACME threads are now extensively used for
a variety of purposes, valve stems, feed screws, carriage-run screws
and similar applications because they are superior at generating power