Emuge L0100100.0120 M20-6H 2.5mm Pitch Go/No-Go Thread Plug Gauge

This is a new Emuge Franken G-Gr-LD series double-ended thread plug gauge, catalog number L0100100.0120, designed to inspect M20x2.5 internal threads to ISO 6H tolerance class per DIN 13 / ISO 1502 standards. The gauge features one Go (green end) and one No-Go (red-banded end) threaded member mounted in a knurled, black-oxide steel handle, with the Go member providing full-form thread verification and the truncated No-Go member checking maximum material condition. Serial number 1001060224/1-04 is engraved on the handle, and this unit ships with a Decom UGK GmbH proprietary calibration certificate (cert no. L256678.3, dated 15.09.2025) traceable to ILAC-accredited standards, confirming dimensional compliance at time of manufacture. Emuge Franken gauges are manufactured in Germany and conform to DIN 2279 / ISO 1502 gauge tolerances, making this gauge suitable for quality assurance in precision machining, automotive, aerospace, and general mechanical assembly where M20 coarse-pitch threads must be verified to 6H fit.

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