Sealey Metric/Imperial Nut & Bolt Thread Checker AK28

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.

// 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

Free standard delivery (3–5 working days) is available on UK mainland orders of £100 or more, excluding the Scottish Highlands, which always incur a delivery charge.

Priority delivery (1–2 working days) is offered but is not guaranteed as a next-day service.

Deliveries to the Scottish Highlands will always take 3–5 working days, and certain products cannot be delivered to this location.

Tracking and notifications are provided for all orders, and any damages must be reported within 2 working days of receipt.