Nut and Bolt Thread Checker

Quickly ldentify the Messy Bolt and Nuts, Easily know all about unfamiliar nuts and screws!

【Two models available】-There are two regular and upgraded models available. The black regular model can be used in daily screws and nuts. The red upgraded model is compatible with most screws and nuts.

【QUICK IDENTIFICATION】-Simply screw the nut or bolt onto our thread checker and instantly measure the size. Our standard and metric thread checkers allow you to quickly and easily check nuts and bolts for the correct size, making it easy to replace broken, loose, rusted or worn parts.

【EXCELLENT QUALITY】-The bolt and nut Identifier gauge is crafted from thicked aluminum alloy and hardness SUS304 stainless steel thread,very sturdy and well-made

【STRONG AND PORTABLE 】-Thread Checker is crafted from lightweight 6061 aluminum, featuring enduring, easy-to-read laser-etched markings. Its sturdy design allows you to take it to different workplaces effortlessly.

【HIGH-PRECISION】-The Nut and Bolt Thread Checker is manufactured with high-precision machinery to ensure that every bolt and nut meets Go & No Go Class 2B ANSI standard specifications. It also ensures accuracy and top quality.

【MULTIFUNCTIONAL DESIGN】-Built in ruler with 6 inches and 15cm on both sides （red- upgraded version）, the screw thread gauge helps you quickly identify different length of bolt, screw, nut.

[Durable Carbon Steel Material] All nut and bolt thread checker is made of carbon steel, which is machined to extreme precision to ensure each bolt and thread conforms to Go & No Go Class 2B ANSI standard gauge.

[Inch and Metric Thread Checker] Our nut and bolt thread checker is quick to identify 28 different sizes, including metric thread sizes from M4 x 0.7 to M14 x 2.0 and inch threads from #6 – 32 Fine to 1/2 – 20 Fine.

[Dual Scale Design] Our product adopts etched inch and centimeter scales on the rim, providing quick, precise and user-friendly identification of various thread sizes. It is easy to read and long-lasting. The sturdy is easy to carry to different workplaces.

[Multi-Purpose] Our nut and bolt thread checker has multiple application, which is effortless to install on the wall or put in the toolbox. It has reserved mounting holes and suitable for professionals and DIY enthusiasts.