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Your cart is empty.Introducing the Portable Precise Thread Size Checker Keychain, a must-have tool for any DIY enthusiast, handyman, or professional. This compact and convenient device allows you to quickly and accurately identify and verify nut and bolt thread sizes, both in inches and metric units. With its user-friendly design, you can effortlessly determine the thread size by simply inserting the bolt or nut into the corresponding gauge. Say goodbye to the frustration of mismatched hardware and ensure a perfect fit every time. Crafted with precision and durability in mind, this thread checker is built to withstand the demands of daily use. Its keychain design ensures it's always within reach, making it an indispensable companion for any project. Whether you're tackling a home improvement task, working on a car, or assembling furniture, this versatile tool streamlines the process and saves you valuable time. Upgrade your toolbox with the Portable Precise Thread Size Checker Keychain and experience the convenience of hassle-free hardware identification.
Shawdog257
Reviewed in the United States on March 24, 2025
Not even close to being accurate. It’s literally off by almost 2 sizes.
Don Jensen
Reviewed in the United States on March 22, 2025
Its ook
Jason Stewart
Reviewed in the United States on February 3, 2025
There is so much slop in the device that it is inaccurate. The pin that marks measurements doesn't move from max open (beyond 1") to 3/4".Secondarily, there is no way to hold the measurement so you can view it, unless you keep it on the bolt or nut. If the scenario involves using the tool and having to move it to view the measurement, it is so loose that doing so is impossible.The tool is a good idea that is a poor design.
Mike Leese
Reviewed in the United States on January 11, 2025
Not very accurate is extremely loose has a lot of play in it has 2 5mm gruves and a 3mm screw that slides through them it showed up with the screw shaking in the bag I had to put it together my self could be missing a spacer that I never reserved claims to be for threads but in the picture they are using it on the head of a bolt
Frank D.
Reviewed in the United States on November 7, 2024
this product was intended to measure bolt head size. I tested the item does not measure, correct size.This was rated 5 stars.?????? The key chain fell apart and the slide pin is so loose barely on.
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