System of Measurement System of Measurement |
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Size Size |
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Length Length |
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Material Material |
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Class Class |
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Certification Certification |
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Hardness Hardness |
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Surface Smoothness (RMS) Surface Smoothness (RMS) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Class ZZ Plug Gauges
Commonly known as pin gauges, these Class ZZ plug gauges are used for precision go/no-go measuring of hole sizes and depths, checking hole location and distance, and setting micrometers. All come with a certificate of accuracy traceable to NIST that states they've passed a test for accuracy.
If a go gauge can enter the hole and a no-go gauge is unable to enter, the hole is within tolerance.
Go gauges check the minimum hole diameter.
No-go gauges check the maximum hole diameter.
For technical drawings and 3-D models, click on a part number.
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| Choose a Size | Increment | Length | Surface Smoothness (RMS) | Hardness | Material | Gauge Tolerance | 1-2 | 3-5 | 6-Up | |
Go Gauge | ||||||||||
| 0.0110" to 0.3759" | 0.0001" | 4" | 10 microinch | Rockwell C60 | Tool Steel | 0" to 0.0002" | 0000000 | 000000 | 000000 | 000000 |
No-Go Gauge | ||||||||||
| 0.0110" to 0.3759" | 0.0001" | 4" | 10 microinch | Rockwell C60 | Tool Steel | -0.0002" to 0" | 0000000 | 00000 | 00000 | 00000 |