26/44-Piece Nut & Bolt Thread Checker Set – Metric & SAE Thread Gauge with Portable Carrying Case
26/44-Piece Nut & Bolt Thread Checker Set – Metric & SAE Thread Gauge with Portable Carrying Case
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26/44-Piece Nut & Bolt Thread Checker Set – Metric & SAE Thread Gauge with Portable Carrying Case
FAQ
FAQ
FAQ – Frequently Asked Questions
1.When will my order ship?
Most orders are processed within 1–2 business days.
2.How long is delivery?
Standard U.S. delivery usually takes 5–12 business days. International orders may take longer.
3.How do I track my order?
Once your order ships, you will receive an email with a tracking number.
4.Can I change or cancel my order?
Orders can only be changed or canceled before they are shipped. Contact us as soon as possible if you need assistance.
5.What payment methods do you accept?
We accept major credit/debit cards, PayPal, Shop Pay, Apple Pay, and other secure checkout options (depending on availability).
6.What if the item arrived damaged?
Please email us with a photo of the damaged item within 48 hours, and we will arrange a replacement or refund.
7.What if the package is lost?
If your package is marked “delivered” but you didn’t receive it, contact us and we will help investigate with the carrier.
8.Do you ship internationally?
Yes, we ship to most countries. Shipping times vary based on destination.
Match the Thread. Know the Size.
A 44-piece metric and SAE thread checker designed to help identify common nuts, bolts, diameters and thread pitches without repeatedly digging through loose hardware.
Find the Thread Size Before You Buy the Wrong Hardware
Diameter alone doesn't tell the whole story. Two fasteners can look similar while using different pitches or thread standards. A dedicated checker gives you a physical reference before choosing a replacement.
Start with the nut or bolt you need to identify.
Try the appropriate gauge until the thread engages smoothly.
Use the clearly marked gauge to identify diameter and pitch.
Match Male and Female Threads With a Physical Gauge
Instead of estimating from appearance, test the actual fastener against a corresponding thread gauge and confirm the labeled size once you find a smooth-fitting match.
44 Common Thread Sizes. One Organized Reference.
The set combines metric and inch thread standards, giving you a broad selection for common automotive, garage and workshop fasteners.
From smaller M3 hardware through larger M24 thread sizes.
Includes commonly used machine screw and fractional thread sizes.
44 Clearly Defined Thread References
Use the size chart below to check whether the thread you commonly work with is included in the set.
21 Metric Sizes
23 Inch / SAE Sizes
Test. Match. Read.
Thread identification is based on physically matching the fastener to the corresponding gauge. Never force a fastener that does not thread smoothly.
Start with the metric or inch range that looks closest.
Turn the fastener by hand and check for smooth engagement.
Read the marked diameter and thread pitch once matched.
Open the Case and Find the Size You Need
The portable organizer keeps the thread gauges separated and clearly positioned, so you don't have to sort through a loose pile every time you need a reference.
Built for Garages, Workshops & Repair Work
A practical reference set for identifying common threaded hardware before buying replacements, sorting fasteners or starting a repair.
Identify common fasteners during vehicle maintenance.
Sort mystery bolts from drawers and bins.
Check a thread size before sourcing replacement hardware.
Keep a reusable reference close to the workbench.
44-Piece Nut & Bolt Thread Checker
No More Standing in the Hardware Aisle Guessing
“I finally sorted the mystery bolts in my garage.”
I had a whole drawer of hardware with no idea what half of it was. Being able to actually thread each piece into a gauge made sorting it much faster.
— Mike R.“Having both metric and SAE in one case is the big advantage.”
I work on different vehicles and never know what standard I'm going to run into. This gives me both systems without keeping separate gauges.
— Jason T.“Saved me from buying the wrong bolts twice already.”
The sizes can look almost identical until you actually check the thread pitch. Now I identify the fastener first and take the correct size with me.
— David C.Turn Unknown Hardware Into a Clearly Identified Size
44 metric and inch thread references, clearly organized in one portable case — ready whenever the next mystery nut or bolt lands on your workbench.
