GF Gage 55319156 M3.0 x 0.5-6H Double End Go/No-Go Thread Plug Gage

This GF Gage 55319156 is a double-end metric thread plug gage for inspecting internal M3.0 x 0.5-6H threads, with a GO member (pitch diameter 2.675 mm) on one end and a NO-GO member (pitch diameter 2.775 mm) on the other. The gage is marked as a GFII taper-lock design, with hardened thread members on a teal anodized hex handle that is laser-marked with the thread size, tolerance class and GO/NO-GO pitch diameters. The 6H tolerance class is the standard fit for general-purpose metric internal threads, and the 0.5 mm pitch is the coarse pitch for M3. It is used for acceptance checks of tapped holes in machining and quality inspection. This item is new and supplied in the manufacturer's plastic sleeve with a part label.

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