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Thread gauges
Thread gauges are useful to determine the thread pitch and diameter of bolts and machine screws.
US Thread Gauge
Offers US diameters from ¼” to 1” and thread counts from 8 to 28 threads per
inch. It also includes a US ruler for determining bolt length.
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Metric Thread Gauge
Offers metric diameters from 4mm to 20mm and thread pitches from 0.8 to 6.0. It also includes a metric ruler for determining bolt length.
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Click on one of the images for larger versions. |
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