System of Measurement System of Measurement |
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Size Size |
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Length Length |
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Gauge Type Gauge Type |
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Class Class |
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Material Material |
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Certification Certification |
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Surface Smoothness (RMS) Surface Smoothness (RMS) |
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Hardness Hardness |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Class Z No-Go Plug Gauges
These Class Z no-go gauges help you check the maximum hole diameter. Commonly known as pin gauges, use them to measure hole size and depth, check hole location and distance, and set micrometers. All come with a certificate of accuracy traceable to NIST that states they've passed a test for accuracy.
If a no-go gauge is unable to enter the hole and a go gauge can, the hole is within tolerance.
For technical drawings and 3-D models, click on a part number.
| Choose a Size | Increment | Plug Gauge Tolerance | Length | Surface Smoothness (RMS), microinch | Hardness | Material | Each | |
| 0.0110" to 0.0605" | 0.0005" | -0.0001" to 0" | 2" | 8 | Rockwell C60 | Tool Steel | 000000000 | 00000 |
| Choose a Size | Increment | Plug Gauge Size Tolerance | Length | Surface Smoothness (RMS), microinch | Hardness | Material | Each | |
| 0.0610" to 0.2500" | 0.0005" | -0.0001" to 0" | 2" | 8 | Rockwell C60 | Tool Steel | 000000000 | 00000 |
| Choose a Size | Increment | Plug Gauge Size Tolerance | Length | Surface Smoothness (RMS), microinch | Hardness | Material | Each | |
| 0.2505" to 0.5005" | 0.0005" | -0.0001" to 0" | 2" | 8 | Rockwell C60 | Tool Steel | 000000000 | 00000 |
| Choose a Size | Increment | Plug Gauge Size Tolerance | Length | Surface Smoothness (RMS), microinch | Hardness | Material | Each | |
| 0.5010" to 0.6255" | 0.0005" | -0.0001" to 0" | 2" | 8 | Rockwell C60 | Tool Steel | 000000000 | 00000 |
| Choose a Size | Increment | Plug Gauge Size Tolerance | Length | Surface Smoothness (RMS), microinch | Hardness | Material | Each | |
| 0.6260" to 0.7505" | 0.0005" | -0.0001" to 0" | 2" | 8 | Rockwell C60 | Tool Steel | 000000000 | 00000 |
| Choose a Size | Increment | Plug Gauge Size Tolerance | Length | Surface Smoothness (RMS), microinch | Hardness | Material | Each | |
| 0.7510" to 0.8325" | 0.0005" | -0.0001" to 0" | 2" | 8 | Rockwell C60 | Tool Steel | 000000000 | 000000 |
| Choose a Size | Increment | Plug Gauge Size Tolerance | Length | Surface Smoothness (RMS), microinch | Hardness | Material | Each | |
| 0.8330" to 0.9165" | 0.0005" | -0.0001" to 0" | 2" | 8 | Rockwell C60 | Tool Steel | 000000000 | 000000 |
| Choose a Size | Increment | Plug Gauge Size Tolerance | Length | Surface Smoothness (RMS), microinch | Hardness | Material | Each | |
| 0.9170" to 1.0005" | 0.0005" | -0.0001" to 0" | 2" | 8 | Rockwell C60 | Tool Steel | 000000000 | 000000 |