Description
The Original Thread Checker is an accurate and easy-to-use thread verifier for both nuts and bolts. Conveniently assembled onto a wire loop, it is especially well suited for distinguishing between similar inch and metric threads.
Made in U.S.A.
Specifications
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Each size has a nut and bolt checker on the same gauge
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Thread sizes are permanently stamped onto each gauge
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Inch gauges are clear zinc plated, metric gauges are black oxide
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Wire cable with loop for convenient hanging
SAE 23 Piece Set
Inch Sizes:
| 6-32 | 10-32 | 5/16-24 | 7/16-20 | 9/16-18 | 3/4-16 |
| 6-40 | 1/4-20 | 3/8-16 | 1/2-13 | 5/8-11 | 1-8 |
| 8-32 | 1/4-28 | 3/8-24 | 1/2-20 | 5/8-18 | 1-12 |
| 10-24 | 5/16-18 | 7/16-14 | 9/16-12 | 3/4-10 |
Metric 21 Piece Set
Metric Sizes:
| M3x0.5 | M7x1.0 | M10x1.25 | M12x1.75 | M16x2.0 | M24x3.0 |
| M4x0.7 | M8x1.0 | M10x1.5 | M14x1.5 | M20x1.5 | |
| M5x0.8 | M8x1.25 | M12x1.25 | M14x2.0 | M20x2.5 | |
| M6x1.0 | M10x1.0 | M12x1.5 | M16x1.5 | M24x2.0 |