Size Size |
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Certification Certification |
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Length Length |
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Material Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Surface Smoothness (RMS) Surface Smoothness (RMS) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Plug Gauge Size Tolerance (Range) Plug Gauge SizeTolerance (Range) |
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Hardness Hardness |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Plug Gauge Sets

With Case

With Cabinet
Take precision go/no-go measurements of hole sizes and depths, check hole location and distance, and set micrometers. These sets have 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.
Size | Increment | No. of Pieces | Lg. | Surface Smoothness (RMS), microinch | Material | Plug Gauge Tolerance | Each | |
Go Gauges | ||||||||
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With Case | ||||||||
Class Z | ||||||||
0.0110" to 0.0600" | 0.001" | 50 | 2" | 8 | Tool Steel | 0" to 0.0001" | 0000000 | 000000 |
0.0110" to 0.2500" | 0.001" | 240 | 2" | 8 | Tool Steel | 0" to 0.0001" | 0000000 | 000000 |
0.0115" to 0.0605" | 0.001" | 50 | 2" | 8 | Tool Steel | 0" to 0.0001" | 0000000 | 000000 |
0.0115" to 0.2505" | 0.001" | 240 | 2" | 8 | Tool Steel | 0" to 0.0001" | 0000000 | 000000 |
0.0610" to 0.2500" | 0.001" | 190 | 2" | 8 | Tool Steel | 0" to 0.0001" | 0000000 | 000000 |
0.0615" to 0.2505" | 0.001" | 190 | 2" | 8 | Tool Steel | 0" to 0.0001" | 0000000 | 000000 |
0.2510" to 0.5000" | 0.001" | 250 | 2" | 8 | Tool Steel | 0" to 0.0001" | 0000000 | 000000 |
0.2515" to 0.5005" | 0.001" | 250 | 2" | 8 | Tool Steel | 0" to 0.0001" | 0000000 | 000000 |
0.5010" to 0.6250" | 0.001" | 125 | 2" | 8 | Tool Steel | 0" to 0.0001" | 0000000 | 000000 |
0.6260" to 0.7500" | 0.001" | 125 | 2" | 8 | Tool Steel | 0" to 0.0001" | 0000000 | 000000 |
0.2200mm to 1.5000mm | 0.02mm | 65 | 2" | 8 | Tool Steel | 0mm to 0.0025mm | 0000000 | 000000 |
Class ZZ | ||||||||
1.3000mm to 4.9800mm | 0.02mm | 185 | 2" | 10 | Tool Steel | 0mm to 0.005mm | 0000000 | 000000 |
5.0000mm to 9.9800mm | 0.02mm | 250 | 2" | 10 | Tool Steel | 0mm to 0.005mm | 0000000 | 000000 |
10.0000mm to 13.9800mm | 0.02mm | 200 | 2" | 10 | Tool Steel | 0mm to 0.005mm | 0000000 | 000000 |
With Cabinet | ||||||||
Class Z | ||||||||
0.0110" to 0.6250" | 0.001" | 615 | 2" | 8 | Tool Steel | 0" to 0.0001" | 00000000 | 00000000 |
0.0610" to 0.7500" | 0.001" | 690 | 2" | 8 | Tool Steel | 0" to 0.0001" | 00000000 | 00000000 |
No-Go Gauges | ||||||||
With Case | ||||||||
Class Z | ||||||||
0.0110" to 0.0600" | 0.001" | 50 | 2" | 8 | Tool Steel | -0.0001" to 0" | 0000000 | 00000 |
0.0110" to 0.2500" | 0.001" | 240 | 2" | 8 | Tool Steel | -0.0001" to 0" | 0000000 | 000000 |
0.0115" to 0.0605" | 0.001" | 50 | 2" | 8 | Tool Steel | -0.0001" to 0" | 0000000 | 000000 |
0.0115" to 0.2505" | 0.001" | 240 | 2" | 8 | Tool Steel | -0.0001" to 0" | 0000000 | 000000 |
0.0610" to 0.2500" | 0.001" | 190 | 2" | 8 | Tool Steel | -0.0001" to 0" | 0000000 | 000000 |
0.0615" to 0.2505" | 0.001" | 190 | 2" | 8 | Tool Steel | -0.0001" to 0" | 0000000 | 000000 |
0.2510" to 0.5000" | 0.001" | 250 | 2" | 8 | Tool Steel | -0.0001" to 0" | 0000000 | 000000 |
0.2515" to 0.5005" | 0.001" | 250 | 2" | 8 | Tool Steel | -0.0001" to 0" | 0000000 | 000000 |
0.5010" to 0.6250" | 0.001" | 125 | 2" | 8 | Tool Steel | -0.0001" to 0" | 0000000 | 000000 |
0.6260" to 0.7500" | 0.001" | 125 | 2" | 8 | Tool Steel | -0.0001" to 0" | 0000000 | 000000 |
0.2200mm to 1.5000mm | 0.02mm | 65 | 2" | 8 | Tool Steel | -0.0025mm to 0mm | 0000000 | 000000 |
Class ZZ | ||||||||
1.3000mm to 4.9800mm | 0.02mm | 185 | 2" | 10 | Tool Steel | -0.005mm to 0mm | 0000000 | 000000 |
5.0000mm to 9.9800mm | 0.02mm | 250 | 2" | 10 | Tool Steel | -0.005mm to 0mm | 0000000 | 000000 |
10.0000mm to 13.9800mm | 0.02mm | 200 | 2" | 10 | Tool Steel | -0.005mm to 0mm | 0000000 | 000000 |
With Cabinet | ||||||||
Class Z | ||||||||
0.0110" to 0.6250" | 0.001" | 615 | 2" | 8 | Tool Steel | -0.0001" to 0" | 00000000 | 00000000 |
0.0610" to 0.7500" | 0.001" | 690 | 2" | 8 | Tool Steel | -0.0001" to 0" | 00000000 | 00000000 |