ACME Thread Calculator Amesweb
ACME thread calculator to find dimensions of general purpose single and multiple start ACME threaded rods and nuts. Calculation can be done for tolerance classes of 2G, 3G and 4G. Tolerance class 2G is the preferred class but if less play and backlash is needed, 3G or 4G can be selected. ACME thread angle is 29° and the thread height is half of the thread pitch. ACME thread form is a ...