Metric/Imperial Nut & Bolt Thread Checker
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Accurately measures and identifies threads. 14 Imperial (6 to 1/2") and 14 Metric (M4 to M14) sizes in coarse and fine pitches. Easy-to-read markings make male and female versions of each size easy to identify.
- SIMPLE - With 14 Imperial and 14 Metric sizes, this Thread Checker accommodates a wide range of common nut, bolt, and screw sizes, making it very versatile.
- PRECISE - Designed to accurately identify and measure threads, ensuring you select the right fastener every time, whether you are working with fine or coarse threads.
- DURABLE - Made from a premium alloy, the Thread Checker will give long lasting performance.
- PORTABLE - Lightweight and compact.
- USER FRIENDLY - Clearly labelled with easy-to-read markings, male and female versions of each size are easy to identify.
- INCLUDES - Length checker on either side of board - one edge is metric and the other is imperial.
- SIZES: Imperial; 6-32C to 1/2-20F, Metric; M4-0.7, M5-0.8, M6-1.0, M7-1.0, M8-1.0, M8-1.25, M10-1.0, M10-1.25, M10-1.5, M12-1.25, M12-1.5, M12-1.75, M14- 1.5, M14- 2.0
- Designed to accurately measure and identify threads, this tool ensures you select the right fastener every time, whether you are working with fine or coarse threads.
- With 14 Imperial (6/32 to 1/2") and 14 Metric (M4 to M14) sizes, this thread checker accommodates a wide range of common nut, bolt, and screw sizes, making it very versatile.
- Easy-to-read markings, male and female versions of each size are easy to identify.
- Includes length checker on either side of board - one edge is metric and the other is imperial.
- Sizes: Imperial; (6-32C to 1/2-20F), Metric; M4-0.7, M5-0.8, M6-1.0, M7-1.0, M8-1.0, M8-1.25, M10-1.0, M10-1.25, M10-1.5, M12-1.25, M12-1.5, M12-1.75, M14-1.5, M14-2.0.
- Made from a premium alloy giving a long lasting performance.
- Lightweight and compact, it can be carried to site or stored in a toolbox.
- Model No. AK28
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About the Brand
About the Brand
Family-run since 1978 and based in Suffolk, Sealey covers almost everything a workshop needs, from hand tools to garage equipment. Its Premier hand tools carry a lifetime guarantee against manufacturing defects. Over 500 lines in stock, covering socket sets, spanners, lighting, lifting and workshop kit.
Shop Sealey by job: jacks, axle stands and lifting equipment, Premier socket sets and spanners, workshop and inspection lighting, pliers, electrical testers and the specialist garage equipment Sealey is known for.
Shipping & Returns
Shipping & Returns
Orders placed before 14:30 are usually dispatched the same working day. UK mainland delivery starts from £3.95 and typically takes 1–5 working days, with next day options available.
Highlands, Islands, Northern Ireland and offshore areas usually take 2–5 working days and may cost extra. These areas are not eligible for next day delivery.
Unused items can be returned within 14 days of delivery. Please email sales@toolmixdirect.co.uk before sending anything back. Some restrictions apply to PPE, consumables and clearance items.
Faulty or incorrect item? Let us know within 48 hours and we’ll put it right at no cost.
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