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Sealey AK28 Metric/Imperial Nut & Bolt Thread Checker

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.

Features and Benefits

• 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

Technical Specification