ASME B89.1.17 PDF

ASME B89.1.17 – Measurement of Thread Measuring Wires

Includes errata.

This Standard is intended to establish uniform practices for the measurement ofthread measuring wires. The standard includes methods for the direct measurementof both master and working wires, and methods for the comparsion measurement ofworking wires. The standard includes requirements for geometric qualities of threadmeasuring wires, the important characteristics of the comparison equipment,environmental conditions, and the means to ensure that measurements are madewith an acceptable uncertainty level. Wires covered by the standard include inchseries 60-deg, 20-deg Acme, 7/45-deg Buttress, and metric 60-deg threads.