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Whether for home, farm, builder or industrial customers, National has all the right hardware in the sizes and finishes you need. With over a century of service National is committed to maintaining the highest level of product quality, innovation and manufacturing technology. Providing latching and fastening options for all of your indoor and outdoor uses. Barrel, Dutch door, flush, mortise and surface bolts designed with ease of use and security in mind. Zinc plating offers corrosion resistance for all of your functional hardware needs.
From the Manufacturer
Whether for home, farm, builder or industrial customers, National has all the right hardware in the sizes and finishes you need. With over a century of service National is committed to maintaining the highest level of product quality, innovation and manufacturing technology. Providing latching and fastening options for all of your indoor and outdoor uses. Barrel, Dutch door, flush, mortise and surface bolts designed with ease of use and security in mind. Zinc plating offers corrosion resistance for all of your functional hardware needs.
Patricia A. Ventrello
2025-08-05 18:52:11
Surprisingly none of the big box stores carried these. Good quality.
from the Caribbean
2025-07-07 12:17:48
Needed specialty U-bolts and found them. Turned out expensive but with little choice went ahead. Received promptly, well packaged that did not fall apart and inside the needed U-bolts...
N. King
2025-07-05 09:30:54
The 4" x 6 1/2" U Bolt is a good option for hanging something from a 4x4 (really 3.5" x 3.5") horizontal, outdoor post. I ordered 4 and they were all complete with 2 nuts each. Easy to adjust too, without tools. This will hold the hanging baskets without the need to damage the wood.
Scott A Skelton
2025-06-23 19:27:41
First order all I got was the packaging, no U-BOLT. Called Amazon and they sent another out rather quickly. Good product but kind of costly, but I needed it to finish a project.
AnthonyNYC
2025-06-20 10:26:33
U-Bolt. Works as advertised. A bit pricey, but could not find ones this size at local hardware store. Used to affix a speed bag platform to a round steel pillar. Did the job famously. U shaped bolts, they rock.
James T Gregory
2025-05-25 16:18:46
Worked great for attaching a board to a steel pole. Well made and sturdy.
crazy cat lady
2025-05-19 16:26:52
We didn't end up using this for our project, but it appears to be sturdy and we'll-made.
Jeremy/Ali R.
2025-05-15 13:53:49
Used 4 to stick a 4inch pipe to the roof so I can look cool and get all the chix
rory n keenan
2025-04-06 12:23:01
Will buy from again
Maxime Busque
2025-03-28 11:13:30
Exactement ce que je voulais, Juste qu j'aurais préféré qu'il soit 1/8 plus large car c'est serré lors de l'installation.
Jean Prefontaine
2025-02-16 16:19:16
The curved part of the U bolt is not accurately shaped so it doesn't match my 4 in ABS pipe. It's disappointing for the price...
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