Sealey Imperial Nut & Bolt Checker AK29

The Thread Checker is an essential tool for anyone who frequently works with nuts, bolts, and screws. Designed to accommodate 22 different Imperial sizes, it offers a comprehensive solution for identifying a wide range of fasteners. Its precision engineering ensures that users can quickly and accurately determine thread types and sizes, helping to select the correct fastener every time and avoid costly errors or mismatches.

• Accommodates 22 Imperial sizes for common nuts, bolts and screws.
• Designed to accurately identify and measure threads, ensuring correct fastener selection.
• Manufactured from durable alloy for reliable, long-term use.
• Compact and lightweight for easy transport and storage.
• Features easy-to-read markings with male and female versions of each size clearly labelled.
• Imperial Sizes: Fine; 10-32, 1/4"-28, 5/16�-24, 3/8�-24, 7/16�-20, 1/2�- 20, 9/16�-18, 5/8�-18, 3/4�-16, 1�-12, Coarse; 6 -32, 8-32, 10-24, 1/4�-20, 5/16�-18, 3/8�-16, 7/16�-14, 1/2�-13, 9/16�-12, 5/8�-11, 3/4�-10, 1�-8.
• Model No. AK29