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Description
A38488: Hexagonal Head Bolt, M20 X 125Hexagonal Head Bolt designed for secure fastening in various construction and machinery applications. Features a length of 125 mm (4. 92 in), thread length of 29 mm (1. 14 in), and a thread pitch of 2. 50 mm (0. 1 in) for robust performance. Includes a head thickness of 12. 72 mm (1 2 in) and head width of 30 mm (1. 18 in) with a thread size of 20 mm (0. 79 in) for optimal fit. Made from high quality general steel for durability and strength. Finished
Hexagonal Head Bolt designed for secure fastening in various construction and machinery applications. Features a length of 125 mm (4.92 in), thread length of 29 mm (1.14 in), and a thread pitch of 2.50 mm (0.1 in) for robust performance. Includes a head thickness of 12.72 mm (1/2 in) and head width of 30 mm (1.18 in) with a thread size of 20 mm (0.79 in) for optimal fit. Made from high quality general steel for durability and strength. Finished with a zinc coating to resist corrosion and extend product life.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 337 reviews
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Product Reviews
★★★★★ 5
Worked Great. Save a Near New Tire
Size: 0.16 x 1.42 ,0.24 x 1.77 ,0.35 x 2.36 Inch
I got these because twice this year I picked up a nail in my motorcycle tire. The local shops want to sell tires so they won't patch any tire no matter how new.
I used these on two tires, a steel-belted radial and a bias-ply off-road tire. It worked out great, both have been holding air for months now and by doing it myself I saved hundreds of $$$.
These are the best way to pemanently patch a tire that's gotten a smallish puncture.
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Reviewed in the United States on December 1, 2025
★★★★★ 5
Good quality, Best for schools and shops.
Size: 0.16 x 1.42 ,0.24 x 1.77 ,0.35 x 2.36 Inch
I bought this butyl repair patch and the quality is good. I brought it to the school where I’m learning automotive repair and used it as a teaching consumable. Many students tried it, and everyone thought it worked very well. One thing I would suggest for individual buyers: pay attention to the size combinations in the package. For most car owners, you may end up using only one size more often. Because of that, this mixed-size packaging is probably more suitable for schools, training programs, or auto repair shops where different sizes are needed regularly. Overall, it’s still a good quality product and performs exactly as expected.
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Reviewed in the United States on March 15, 2026
★★★★★ 4
Look very useful
Size: 0.16 x 1.42 ,0.24 x 1.77 ,0.35 x 2.36 Inch
Haven't actually used them yet, but they look like the perfect way to fix a flat. As can be seen they come in various sizes depending on what you will need. All you need to get is some tire patch rubber cement and a good inner tire sealer (I picked up a can of Xtra Seal)
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Reviewed in the United States on March 1, 2024
★★★★★ 5
Saved me from buying a tire
Size: 0.16 x 1.42 ,0.24 x 1.77 ,0.35 x 2.36 Inch, Size: 0.16 x 1.42 ,0.24 x 1.77 ,0.35 x 2.36 Inch
Took our ancient van on a trip to Florida (from IL) and wouldn't you know we picked up some debris in construction. I was able to plug it however the next morning it was flat again. This time I used 2 plugs to and we were able to get home on that. Realizing this wasn't what I wanted my wife driving around and I didn't wanna buy tires for a van with 250k on it I set out to find some internal patches. I pulled the tire off using a harbor freight bead breaker and some motion pro spoons, used vulcanizing Compound and a dremel and patched it right up. Once the tire is off its a really easy process and I just marked my tire and rim to keep the balance close when it went back together. All appears to be working perfectly with no leaks over the past few weeks. This cost way less than a new tire and now I have more for other holes in the future
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Reviewed in the United States on August 2, 2024
★★★★★ 5
Better than just a patch
Size: 0.16 x 1.42 ,0.24 x 1.77 ,0.35 x 2.36 Inch
Do what they are suppose to do, easy to use
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Reviewed in the United States on June 2, 2026
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