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Designed for use with box rail to mount sliding door project, if you are building a heavy sliding door, this will helps.
2PCS Heavy Duty Trolley Wheels
-Product Name: 4 Wheel Trolley Assembly
-Material: Steel, Galvanized Zinc, rust protection
-Max Load rating: 440pound/200kg
-Strut rail size(inside diameter): 2 1/4" H. x 1 3/4 " W or Taller
-Screw Diameter: M12 (0.47inch/12mm)
-Screw Length: 4.7inch (120 mm)
-Fixed mode: welding positioning or Bolt positioning
High quality galvanized steel
Strong bearing capacity, sturdy and durable, rust protection.
Precision bearing steel ball
Precise, smooth, wear-resistant and pressure-resistant.
Smooth without jamming
Slide in box rail, low noise, effortless and easy to pull.
Usually used to suspend from strut channel with the stud pointing down to support suspended loads, Not recommend to used "upside down" (the bolt side be pointing up).
Wesley B.
2025-09-03 12:25:48
seemed to be good quality and fit my tracks well. The only thing that didn't work were the bolts. For my application they needed to be longer. other than that, they were fine.
Eric Sorensen
2025-08-21 16:42:09
Sturdier than the riveted-on stamped wheels that pop off after a few years.Fits standard track.Cheaper too.
gary yoder
2025-08-01 18:26:06
Work good.
JC & DD McConnell
2025-07-14 14:23:33
Used in National Rail for barn door
Marie W. Nordberg
2025-06-12 14:35:46
Using to lift patient out of tub
Nighthauler
2025-06-03 15:58:48
These roll so much easier than other styles. I’ve bought these for three large shop doors because I am tired of the other style that uses plastic for the bearings between wheels on the axles. I like these and I put grease in the bearings before installing so Mathew will last forever.
John vanantwerp
2025-05-04 14:12:59
Very well built
Albert Yandow
2025-04-16 17:34:54
Couldn’t be a more perfect fit
balou26
2025-04-11 10:42:21
très satisfait de ce produit, belle qualité et résistant
bruce
2025-02-05 17:53:36
very robust and well-made, mounted on ball bearings
Kevin
2025-01-23 17:07:59
We have a very large sliding barn door and thus roller worked great after install. The door slides way better than it did before.
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