Thread measuring wires are used to quickly & accurately measure pitch diameters of external threads with a micrometer.

Thread measuring wires are used to quickly & accurately measure pitch diameters of external threads with a micrometer.

16 sets of wires ranging from 0.018" to 0.185" will measure:

U.S.60° 48tpi to 3tpi Metric 60° 0.5mm 6.0mm pitch

Supplied with a set of flexible wire holders all stored in a plastic case.