Thread Gauge: ACME & STUB ACME



  • Gauge dimensions for Acme threads are as per ASME B1.5 and Stub Acme as per ANSI/ASME B1.8
  • Most commonly used class is 2G. If less backlash is desired in acme threads, 3G & 4G class are used
  • The height of Acme threads is 0.5p, whereas the height of Stub Acme threads is 0.3p