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A black thread checker tool with various metric and inch sizes of bolts and nuts included for quick identification.
A red tool for checking metric and SAE bolt and nut threads, shown with various reading methods.
A collection of 52 pieces of metric and SAE bolt and nut thread checkers, including coarse and fine threads.
A comparison chart showing features of a 52-piece metric and SAE bolt and nut thread checker, including detachable design, al
A hand is using a 52-piece metric and SAE bolt and nut thread checker tool for measurement in narrow spaces.
A collection of metric and SAE bolts and nuts, including various sizes and threads, displayed in a box and on a testing devic
A red tool box containing metric and inch sizes of bolts and nuts for checking threads.
A black tool featuring 52 pieces of metric and SAE bolt and nut thread checkers for measuring threads.
A red and black bolt and nut thread checker tool with a printed size chart and various thread sizes.
A collection of 52 pieces of metric and SAE bolt and nut thread checkers, including coarse and fine threads.
A comparison chart showing features of a thread checker board and chain, highlighting metric and SAE sizes, detachable design
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52-Piece Metric & SAE Bolt and Nut Thread Checker

السعر الأصلي $110.99 سعر التخفيض $93.99

لماذا يحبه العملاء

Find the Right Fastener Every Time

This 52-piece thread checker takes the guesswork out of fastener sizing, helping you identify metric and imperial bolt and nut sizes quickly and accurately.

  • Includes 24 metric and 28 SAE gauges for total thread-size coverage
  • Color-coded design (red for metric, blue for imperial) for instant identification
  • Laser-etched size markings remain legible even with heavy use
  • Made from durable aluminum alloy for long-lasting wear resistance
  • Detachable gauges allow for precise work in tight or confined spaces
  • Compact, padded storage case keeps all pieces organized and secure
A black thread checker tool with various metric and inch sizes of bolts and nuts included for quick identification.

Why You'll Love It

Instant Identification

Color-coded design (red for metric, blue for imperial) lets you grab the right gauge at a glance.

Built to Last

Laser-etched size markings remain legible even with heavy use, so you can rely on them for years.

Precision in Tight Spots

Detachable gauges allow for precise work in tight or confined spaces, making tricky jobs easier.

Stay Organized

The compact, padded storage case keeps all 52 pieces organized and secure, so nothing gets lost.

Setup

How It Works

No electrician, no wiring, no fuss.

  1. Test the Fastener

    Simply test a bolt or nut against the gauges to find the perfect fit.

  2. Work in Tight Spaces

    Detach individual gauges to measure fasteners precisely in tight or confined areas.

Specs

The details that matter

Built to last outdoors, season after season.

Quantity
52 pieces
Type
Metric and imperial bolt nut gauge
Material
Aluminum alloy
Markings
Laser-etched size markings

وعدنا بتسوق بلا قلق

إذا وصل طلبك تالفاً أو معيباً أو غير مطابق للوصف، تواصل معنا خلال 14 يوماً وسنصلح الأمر باستبدال أو استرداد.

Frequently asked questions

Everything you might want to know before you order.

How many gauges are included in this thread checker?

This thread checker includes 52 pieces total—24 metric and 28 SAE gauges—for comprehensive thread-size coverage.

How do I know which gauge to use for metric versus imperial fasteners?

The color-coded design makes it easy: red gauges are for metric sizes and blue gauges are for imperial (SAE) sizes, so you can identify the right one instantly.

Will the size markings wear off over time?

No, the size markings are laser-etched, so they remain legible even with heavy use.

What material is this thread checker made from?

It is made from durable aluminum alloy, providing long-lasting wear resistance.

Can I use this tool in tight or confined spaces?

Yes, the gauges are detachable, allowing you to work precisely in tight or confined spaces where a full set might not fit.

How does this tool help with fastener sizing?

Simply test a fastener against the gauges to find the perfect fit, which takes the guesswork out of sizing and helps you get the job done right the first time.

الشحن والإرجاع

الشحن

  • التوصيل إلى الولايات المتحدة (حسب الدولة/المنطقة المختارة).
  • مدة التوصيل المتوقعة: 3–15 أيام عمل بعد الشحن.
  • تكلفة الشحن: مجانية.

الإرجاع

يمكنك طلب الإرجاع خلال 14 يوماً بعد التسليم. للإرجاع القياسي تُفرَض رسوم شحن ثابتة قدرها 4.00 € EUR (حوالي 4.66 $ USD) تُخصم من مبلغ الاسترداد. شحن الإرجاع مجاني إذا وصل المنتج تالفًا أو معيبًا أو غير صحيح. يجب أن تكون المنتجات غير مستخدمة وفي عبوتها الأصلية حيثما أمكن. تواصل معنا قبل إعادة الشحن.

  • 5 stars: 5 (71%)
  • 4 stars: 1 (14%)
  • 3 stars: 0 (0%)
  • 2 stars: 1 (14%)
  • 1 star: 0 (0%)
D
Dalene West

It arrived with the wrong part, I've been making my complaint for 5 days and they haven't responded, help.

C
Celine Gleichner

Item was just as described. it was shipped quickly by the seller, and was packaged well so it arrived safely with no damage. product is made very well, and fit perfectly! i'm very happy with it! thanks!

B
Betty Howe

A comprehensive set of thread guages for metric and sae bolts and nuts. It's housed in a neat display case that provides easy of use as bolts can be tested without removing individual guages. All guages are aluminium so the entire kit is very light.

Each guage has thread and type clearly labeled on the side making it easy to store them in order - see the examples of coarse, medium and fine m10 threads in the second picture.

M
Mary Stracke

52-Piece Metric & SAE Bolt and Nut Thread Checker

A
Adolph Kunze

This kit a awesome, dont know how ive gone without it. worth every cent!

T
Theodore Smith

I am so happy. i have wanted a set like this since i was a child going to the hardware store with my dad. but it didn't exist that many years ago. well i got to use this already day one, and it already saved me from purchasing a wrong sized nut for a second time.

S
Stanford Renner

This is a very nice set, and compact. it arrived fairly quickly, faster than all the other items in my order with other sellers. i will say this is a very high quality set, i didn't see a single flaw, and some of these pieces are tiny, so they did a great job with this set. it's super lightweight too. i believe the price here is very fair, i recommend this seller as well as this set. i reached out to them to see if this could be shipped quickly as i needed it, and they were expecting production to set the shipment date back a little, but it ended up shipping out a day or 2 later. i am very pleased with this purchase, excellent quality. if your considering buying one of these, i would say do it.