Achieve Perfect Screw Organization with Ease
Instantly Identify Any Nut or Bolt and End Fastener Frustration Forever
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Works on All Common Screw Types
Indestructible Metal Construction
Laser-Etched for Lifetime Readability
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People Love It - Here's why the Nut & Bolt Thread Checker Is a Workshop Essential
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Customers Give Positive Reviews
Highly recommend
Sturdy and well-built!
Ends the guessing game.
Perfect for sorting bolts.
A true time-saver!
A must-have for any DIYer.
This is probably one of the highest quality nut and bolt sizers I have seen. The whole thing is made of aluminum with steel bolts. There is every size you would need for metric or standard in the smaller sizes and all of them are accurate.
Tom W.
Verifed purchase
I got this Saker Nut and Bolt Thread Checker for my husband because he geys so frustrated trying to figure out what size he needs. He was thrilled with the usefulness of this nut and volt checker and keeps it right by his bins of nuts and bolts. A real time saver.
Emma R.
Verifed purchase
82% of DIYers Waste Time on Wrongly Identified Fasteners?
That "bucket of shame" full of mystery bolts makes finding the right one feel impossible!
Saker Nut and Bolt Thread Checker:
Instantly and accurately identify 28 different fastener sizes, turning your chaotic pile into an organized collection.
Making multiple trips to the hardware store for a single bolt is frustrating and wastes gas.
Saker Nut and Bolt Thread Checker:
Get the right size the first time, every time. Save yourself the wasted trips and get your project done faster.
Cheap plastic checkers or flimsy wire gauges break, and the printed markings rub off with greasy hands.
Saker Nut and Bolt Thread Checker:
Made from solid aluminum and stainless steel with laser-etched markings that will never fade or peel. It's built for a lifetime of use.
Who has time to research obscure thread pitches online or with complicated charts?
Saker Nut and Bolt Thread Checker:
Get a definitive answer in seconds. Just screw in the bolt or nut. It’s the fastest, easiest way to identify any fastener.
360°SWIPE TO VIEW PRODUCT
End the Guesswork and Organize Your Workshop for Good
Finally, a professional-grade tool that solves the #1 most annoying problem in any workshop.
Fortress™ Metal Construction
Our checker is milled from a solid 0.25" aluminum plate and fitted with SUS304 stainless steel studs. Unlike flimsy plastic competitors that sag and break, this tool is indestructible.
Dura-Etch™ Laser Markings
Say goodbye to faded stickers and worn-off paint. Each size is permanently laser-engraved, ensuring a lifetime of clear, easy-to-read measurements, even with greasy hands.
All-in-One Efficiency
Stop juggling multiple tools. Instantly identify 14 metric and 14 standard sizes, plus measure length with the integrated inch and centimeter rulers.
Instant Organization
Go from a chaotic bucket of bolts to a perfectly organized and labeled collection. Knowing what you have saves you time and money on every single project.
Feature Comparison
| Features | Others | Saker |
|---|---|---|
| Solid Metal Backplate |  |
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| Permanent Laser-Etched Markings | |
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| SUS304 Stainless Steel Threads | |
|
Product Specifications
Size:
16.14*3.14 inch
Material:
Aluminum & SUS304 Stainless Steel
Thread Standards:
ISO Metric Screw Threads, Unified Thread Standard
Here’s Why People Trust the Saker Nut and Bolt Thread Checker
It’s become an essential for people, with thousands of 5 Star Reviews!
I have several drawers full of nuts and bolts. This tool makes it real easy to find the right ones you need.
Leo N.
Verified purchase
Anyone who has a workshop full of assorted and mixed nuts & bolts will find this gauge invaluable!
Larry R.
Verified purchase
Hung next to my workbench. Used often. A quick reference for all measurements. Thank you!
Megan K.
Verified purchase
Have a question? Ask our community!
Real customers. Real answers.
Are the threads really that much better than cheaper models?
PURCHASED
Yes. I had a plastic one before and stripped out the threads on the first use. The steel threads on the Saker are clean and strong. You can feel the quality difference immediately.
Based on 2 verified answers >
Will the markings really not rub off?
PURCHASED
The laser etching is deep and clear. My old checker had a sticker that peeled off. This is a permanent solution.
Based on 2 verified answers >
Is it worth the price compared to cheaper options?
PURCHASED
100%. You buy a cheap one, it breaks, you buy another. This one is a "buy it once, cry once" tool. The quality is obvious and it'll outlive me.
Based on 2 verified answers >
