Features:

• It is a part of the trolley system, Package includes two trollys, Each trolly has 4 rollers, and actually these are steels and they've got steel ball bearings in them, strong and roll smooth.
• Made of solid steel, high quality and heavy duty, 440-pound load rating, the bolt is removable and 360 rotate.
• Used with box rail track to support suspended loads, design ratings are for horizontally mounted channel with a load hanging straight down. Suitable for making sliding garden fence, sliding heavy Barn or outdoor shed sliding doors.
• For use with dimensions: 1 3/4 " W. x 2 1/4" H. or Taller Strut Channel, Not applicable to 1-5/8" Strut Channel.
• Fixed mode: welding positioning or Bolt deep buried positioning, to ensure the stability of the work.
• Package include:4 x Steel Double Wheel Rail Hanging Trolley 46mm,8 x Nuts.

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Product Description

Designed for use with box rail to mount sliding door project, if you are building a heavy sliding door, this will helps.

4PCS 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).