Home > Product > GO/NO-GO Gauges


    1.Used for testing the indenter working diameter of crimping tools;
    2.Go and No Go gauge integration for convenient use;
    3.Accurate identification & replaceable gage pin to prevent misfit of gage pin;
    4.Small size, easy to carry, convenient to outdoor use.
    1. Detailed information
    2. Video


    Standard: /

    Model: G56

    Match Tool: NPOK-2M NPOK-2M-U NPOK-2M-Q

    Material: GCr15

    Indenter Working Dia (in/mm): GO:0.0520 (1.32)- NO-GO:0.0570 (1.45)

    Internal Number: G56

    Weight (g):  15

    G56 GO-NOGO Gage is a measuring tool. Each crimp tool has accurate indenter working diameter. The gage is necessary to ensure the crimp tool is in proper working  status before using or after being used for a certain period of time.


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    1.Operate the tool to the fully closed working position. Set the crimp tool to the correct selector number

    2.If the “GO” gage end (Green) can pass freely, but the NO-GO end (Red) can not pass completely, it means the tool is still qualified

    3.If the “GO” gage end (Green) can not pass, but the NO-GO end (Red) can pass completely, it means the tool is not qualified



    1.After using, the gage should be put into the special tool box to prevent the bending deformation of the gage pin.

    2.Regularly wipe with antirust oil to ensure that the surface of gage pin is clean.