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Thread Gauge: ACME & STUB ACME Thread 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
The Baker Acme & Stub Acme Thread Gauge is a precision inspection tool designed for verifying thread accuracy in accordance with established ASME standards. These gauges are engineered for high-reliability thread measurement, with the 2G class serving as the most common industry standard.