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Nut and Bolt Thread Checker - 44 PCS Nut and Bolt Gauges Individually Housed in Case (23 Inch & 21 Metric) Specially Suitable for Size Check on Tricky and Narrow Area

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$39.99

$ 18 .99 $18.99

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1.Size:26 Gauges - 14 Inch & 12 Metric


About this item

  • ✅【Detachable Thread Gauges in Case】All thread gauges are individually well housed in a decent foam storage holder. The biggest highlight is that you can feel free to take out any wanted pieces to do a fast thread identification. More handy to use than all thread checks on a cable or on board, which means that when you have to do thread size check on some equipment or on some hard to reach area, you do not need to spin a bulky gauge set around.
  • ✅【Laser-Etched Sizes on Both Sides】To better help distinguish metric and inch sizes, we make metric and standard items in different colors respectively ( blue for SAE, red for metric). Moreover, we improve thread checker set with each thread size gauge etched in double sides( front and back side), which avoid the hassle that you have to spin a round to check the etched size on the thread gauges.
  • ✅【3 Clear Ways to Read Size】The another highlight of this screw gauge is that you are able to clearly and easily read the gauge size in 3 various ways: sizes clearly engraved on gauges themselves, a size chart on art paper sticker and sizes screen printed on foam. Each size printed on chart or foam is corresponding to the relative thread gauge. When you just want to handle one checker size at a time. You can visually see the sizes easier, match up and take out the expected sizer.
  • ✅【23 Inch & 21 Metric】Inch in blue:1-12,1-8,3/4-16, 3/4-10, 5/8-18, 5/8-11, 9/16-18, 9/16-12, 1/2-20, 1/2-13, 7/16-20, 7/16-14, 3/8-24, 3/8-16, 5/16-24, 5/16-18, 1/4-28, 1/4-20, 10-32, 10-24, 8-32, 6-40, 6-32; Metric in red: M3-0.5, M4-0.7, M5-0.8, M6-1.0, M7-1.0, M8-1.0, M8-1.25, M10-1.0, M10-1.25, M10-1.5, M12-1.25, M12-1.5, M12-1.75, M14-1.5, M14-2.0,M16-1.5, M16-2.0, M20-1.5, M20-2.5, M24-2.0, M24-3.0; (Size Numbers are white and permanently stamped on studs; very clear to read)
  • ✅【Quick Identification and Time Saver】Just screw the nut or bolt onto thread gauge. Only take seconds to check the size. With Giwaelro thread checker standard and metric, you can easily and quickly check correct size of the nuts & bolts and replace the snapped, loose, rusted or old ones at home or garage by yourself, no need to run towards hardware store for size check any more, greatly improving your work efficiency.
  • ✅【 Get Your Mixed Nuts and Bolts Well Classified】This nuts and bolts organizer comes with 44 pcs male and female gauges——mostly frequent used in daily mechanical work or home project, which can help you quickly sort out your mixed nuts/ bolts and get them well classified and organized in your compartment case from misplace, mess and loss. A perfect nut and bolt gauge for personal use or for family or friends who loves tinking or DIY.



Product Description

thread checker

If you are looking for a thread checker that can allow you to quickly identify the size of nuts and bolts,

If you are looking for a thread checker that can allow you to do size check on very tricky and narrow area,

If you are looking for a thread checker to be gifted to your family or friends who love mechanical work or home project,

Giwaelro nut and bolt thread checker that comes with 44 pcs male and female gauges——mostly frequent used in daily mechanical work or home project, is a wonderful option for you.

---Durable and Accurate: Giwaelro thread checker red and blue is made from aluminum alloy with accurate threading. In addition, this thread gauge sae and metric has 23 inch sizes and 21 metric sizes, and each piece has a male and female side for bolts and nuts, which will be a good helper for you, especially when you have to dealing with these two different standards in your fastener projects.

---Detachable Feature: All thread gauge are individually well housed in a decent eva foam. The biggest highlight of giwaelro screw size and bolt size thread checker is that you can feel free to take out any wanted pieces to do a fast identification of the size of nut and bolts. No need to grab a huge, bulky and inseparable thread checker on cable or thread checker on board/Metal Plate to spin the whole body for check any more, specially when you have to do size check on a piece of equipment or on some very tricky and narrow area. Greatly improve the work efficiency.

nut and bolt thread gauge

---Two colors coded for imperial and metric: To better help distinguish metric and inch sizes, we make inch and metric pieces in different colors respectively ( blue for SAE, red for metric).

21 PCS Metric Size:

M3-0.5 Coarse, M4-0.7 Coarse, M5-0.8 Coarse, M6-1.0 Coarse, M7-1.0 Coarse, M8-1.0 Fine, M8-1.25 Coarse, M10-1.0 Fine, M10-1.25 Fine,

M10-1.5 Coarse, M12-1.25 Fine, M12-1.5 Fine, M12-1.75 Coarse, M14-1.5 Fine, M14-2.0 Coarse, M16-1.5 Fine, M16-2.0 Coarse, M20-1.5 Fine,

M20-2.5 Coarse, M24-2.0 Fine, M24-3.0 Coarse;

23 PCS Inch Size:

1-12 Fine,1-8 Coarse,3/4-16 Fine, 3/4-10 Coarse, 5/8-18 Fine, 5/8-11 Coarse, 9/16-18 Fine, 9/16-12 Coarse, 1/2-20 Fine, 1/2-13 Coarse, 7/16-20 Fine, 7/16-14 Coarse, 3/8-24 Fine, 3/8-16 Coarse, 5/16-24 Fine, 5/16-18 Coarse, 1/4-28 Fine, 1/4-20 Coarse, 10-32 Fine, 10-24 Coarse, 8-32 Coarse,

6-40 Fine, 6-32 Coarse;

Also, we improve the readability of numbers. Unlike other thread checkers which has mottled surface, the surface of our thread gauge has an unexpected and excellent feature in clean and bur-free surface, which makes the sizing number on the gauges very clear to read. You can view the videos of thread checker set we uploaded and posted.

metric thread gauge

---3 Clears ways to read thread size: The another highlight of this screw and bolt thread gauge is that even in dim environment, you still can clearly and easily read the gauge size in 3 various ways: sizes clearly engraved on gauges themselves/ a beautiful size chart on art paper sticker and sizes screen printed on foam. Each size printed on chart or foam is corresponding to the relative thread gauge. When you just want to handle one checker size at a time. You can visually see the sizes easier, match up and take out the expected sizer.

--Double Size Etched on Gauges: Moreover, we upgraded thread checker 44 with each thread size gauge etched in double sides( front and back side), which avoid the hassle that you have to spin a round to check the etched size on the thread gauges.

What is the difference between Giwaelro thread gauge and the ones from other brands?

Thread Checker 44

Giwaelro values quality very much. Each thread gauge is big, long, bright with digits clearly and beautifully etched and etched in double sides( front and back side)

thread gauge

Giwaelro thread checker standard and metric is widely used to identify the size of nuts and bolts on cars, motorcycle, bike, air conditioning and etc, especially well suitable for the mixture of inch and metric components.


The Right Tool
2025-09-01 14:19:34
I was happy to find this thread pitch tool at a reasonable price. It'll pay for itself quickly by avoiding trips to the hardware store. While it may not have every size known to man, it does contain (I'll say) a complete set of SAE and Metric for practical users. The case is compact, not overly large. Testing on a couple nuts and bolts, the threads feel like they are cut clean enough for their purpose, not rough/unrefined/cheap.Pairs great with a dial caliper for measuring lengths. I use: https://amzn.to/4iJLoBA
rogelio arredondo
2025-08-09 11:37:10
I tried them and they worked great. They are not an expensive set but I don’t need one. I like the fact that I can pull One out and try it, then I can take to the store and get the exact nut or bolt I need . Each one is clearly marked with size, then all I have to do is decide on the length needed and the head needed .
Amacust222
2025-08-02 18:54:29
Very easy to use all sizes are labeled. There steel stronger and tougher than aluminum. Nice look to the laser etching for size. I thought this was functional than the board if you need to get into tight places where the board will not fit. Just have to watch you don’t lose them (another reason i got steel you can pick them up with a magnet if they roll under something)
Customer
2025-07-30 16:01:52
I just my kit out to verify a stud size and thread, and in the process I discovered the 10/24 and the 10/32, although marked correctly, are both 10/32. So I don't have a 10/24 and it is about 2wks past the return period. Otherwise very useful. I have used it about 6 times since I got it in Feb, 2024. Just not for 10/24 until today. Very disappointed.
get er' done
2025-07-07 10:44:30
Excellent product and serves it's intended purpose well. clear colors and threads are smooth for easy thread pitch identification
Dave
2025-06-29 14:11:26
I’m really pleased with this kit!I was looking for one of the plate style checkers after using one at a buddy’s shop a couple of times. For years and years at my shop I had used taps, a thread gage, a micrometer, a calibrated eyeball and luck. That’s no way to go through life. Anyway, I saw this one and liked the idea of being able to check threads in the nearly infinite number of places a plate won’t fit. I ordered the HSS version as I think it will hold up better/longer than the Al version, and as a bonus it’s cheaper.I really like the format. The case is decent, and the foam holds the gages securely so a tip-over doesn’t scatter them to the land of the 10mm socket. They have holes so they could be strung on a light (as in not heavy) cable, etc. if that’s your thing.They work very well. I’m a little (!) skeptical of the claim that they are HSS, but they are indeed steel.I dragged them over to my buddy’s shop to show them off and he instantly ordered a set. $18? Come on. A great value for a great little set.
Shelly D.
2025-06-15 12:45:46
Great idea, carry case well made. Prevents choosing wrong fasteners and potential cross threading.
Andy.E
2025-06-02 11:39:03
Much better than a size and thread 'board' and wish I had bought years ago. As the description notes this is a 26-piece set that allows you to quickly and easily determine what size bolt, nut and thread gap you need. I ordered this after trying to replace an outdoor furniture adjustable leg and buying legs that were the proper diameter but not the correct thread pitch/spacing. Had to return those and rather than guessing or running to a big box store, I ordered this set. I also like it much better than the 'board' templates you see at the big box stores as you can remove the individual piece and if needed, get it in tight spaces. Bonus that it comes in a small plastic case to keep everything organized and easily accessible.
Michael J Richards
2025-04-17 18:04:46
All around nice set. Very happy with it. Comes with a neat plastic case that keeps everything organized. Item is better and cheaper than other places selling the same idea but with no case and much lower quality.
Randy
2025-04-09 16:51:05
This is handy for organizing your nuts and bolts,Or for telling what the thread size is.
Twister
2025-04-08 18:57:30
Love these thread checkers. Great time savers.
Marc Lamoureux
2025-04-03 15:50:01
Very impressive for the price and I have tried it and it works great.
Customer
2025-01-18 17:08:43
Arrived on time,good quality, very handy around the garage
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