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KEY FEATURES & BENEFITS
1/2/4 Pack Option
- For use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel
- Galvanized zinc coating offers more protection against rust and corrosion
- Slides open/close smoothly without making any noise for convenient use
- We only use high strength steel with welding for more durability and quality
- It’s versatile, multipurpose, and suitable for a wide range of applications
With all the features they have to offer you can get any job done with ease. Use SD FACTORY 4 wheel trolley assembly on your next project for a smooth experience even in the long term.
Flexibly and Weight capacity increased by 50%
The product hardware structure bracket part adopts high quality carbon structural steel by mold stamping molding, the size is accurate. The roller part is made of high strength and high toughness alloy steel, which is tested by the third party testing department for destructive experiments, and the maximum load of the product can be up to 11.71kN. The number of balls of the roller is up to 16, which makes the bearings rotate very flexibly, and it is far beyond the similar products.
16 steel balls
The structure and specifications of this product are in full compliance with industry standards and can be applied to standard 41X41 steel sections.
Each product is professionally fine-tuned by a senior technician to adjust the four rollers to the same level with an margin of error - less than 0.15mm, making the product more flexible and smooth in use.
The surface of this product has been anti-corrosive treatment-Electro-Galvanized before leaving the factory, and the rollers have been well lubricated. There is no need to add lubricant in subsequent use, and it can be used for a long time under normal conditions.
HRA
2025-09-03 18:08:07
Easy to install.
Daniel Favata
2025-08-27 12:50:01
Ued in a non-traditional application. vertical instead of horizontal and they are working well. I do keep them lubricated and they have held up so far to the load imposed on them.
TheLua's
2025-08-20 10:02:54
I have vaulted ceilings that start their pitch right near my new pantry. The traditional barn door wheels took up too much vertical space that touched the ceiling before the door was fully open.Utilizing 1 5/8" deep strut, strut 90's, 1/4" hardware and some satin black spray paint, out came out fine. Picture shows the almost complete product.Keep in mind that the bearings are oiled upon arrival. I did not want this to slide too quickly or easily, so I cleaned out the bearings and packed them with white lithium grease, no scent. Slides nicely.Eventually plan on using these for the garage heavy bag setup to deploy and stow easily.Also, there was no marking on these that indicates USA made. With the amount of wiggle in the assembly, I would not be surprised if they're imported. They work, but it's "highly suspect!!"
Jeff & Lisa Bogan
2025-07-30 15:47:35
Purchased these for a garage loft lift I built. Smooth and heavy duty. Works great!
Gary Albers
2025-06-09 10:22:56
Building a dumb waiter, should work fine.
Sam
2025-05-21 10:08:49
I used on a wood roller grease to quiet, and slow down the skates. Very satisfied with this 4 wheel trolley assembly
JA
2025-01-26 21:57:36
Well made and roll smoothly.
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