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, M7-1, M8-1, M8-1.25, M10-1, M10-1.25, M10-1.5, M12-1.25, M12-1.5, M12-1.75, M14-1.5, M14-2. * 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 https://elecena.pl/product/29452246/sealey-ak28-metric-imperial-nut-bolt-thread-checker 2025-10-25 https://elecena.pl/product/29452246/sealey-ak28-metric-imperial-nut-bolt-thread-checker 2025-12-07 https://elecena.pl/product/29452246/sealey-ak28-metric-imperial-nut-bolt-thread-checker 2026-06-11 https://elecena.pl/product/29452246/sealey-ak28-metric-imperial-nut-bolt-thread-checker 2026-07-04 https://elecena.pl/product/29452246/sealey-ak28-metric-imperial-nut-bolt-thread-checker 2026-07-27 https://elecena.pl/product/29452246/sealey-ak28-metric-imperial-nut-bolt-thread-checker 2026-08-19