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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
Reviewed in the United States on January 6, 2025
Surprisingly none of the big box stores carried these. Good quality.
Scott A Skelton
Reviewed in the United States on August 27, 2023
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.
from the Caribbean
Reviewed in the United States on November 9, 2023
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...
AnthonyNYC
Reviewed in the United States on July 20, 2022
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.
Jean Prefontaine
Reviewed in Canada on March 27, 2022
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...
rory n keenan
Reviewed in Canada on February 4, 2022
Will buy from again
N. King
Reviewed in the United States on April 11, 2022
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.
James T Gregory
Reviewed in the United States on October 1, 2021
Worked great for attaching a board to a steel pole. Well made and sturdy.
Jeremy/Ali R.
Reviewed in the United States on September 30, 2020
Used 4 to stick a 4inch pipe to the roof so I can look cool and get all the chix
crazy cat lady
Reviewed in the United States on October 15, 2020
We didn't end up using this for our project, but it appears to be sturdy and we'll-made.
Maxime Busque
Reviewed in Canada on August 3, 2018
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.
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