Run Stub Acme PHP to retrieve Stub Acme thread geometry.

ANSI B1.8-1988 Stub Acme screw thread used in applications where due to a coarse-pitch thread of shallow depth is required. The fit corresponds to Class 2G general purpose acme thread in ANSI B1.5-1988. For a fit having less backlash, the tolerances and allowances for classes 3G and 4G may be used. The major and minor allowances for Stub Acme threads are the same as those given for general purpose acme threads.

Enter Stub Acme thread specs:
Threads per inch Pin Major Dia.