Two ivory nylon wheels sit in tandem inside this galvanized steel channel, each turning on its own axle stud for balanced load sharing. A blue threaded insert at the rear provides height adjustment, letting installers level the door after fitting. The concave wheel profile self-centres on round or flat tracks, reducing derailment. Designed for aluminium sliding windows and doors where quiet, wobble-free travel is required; available in various sizes.
Key Features
- Tandem wheels on separate studs balance the load
- Blue threaded insert gives post-install height control
- Concave profile self-centres on the track
Material: Nylon + Galvanized Steel · Finish: Ivory wheels, silver zinc channel
OEM & ODM orders are welcome. As a factory-direct supplier of door and window hardware, we support mixed batches and fast delivery. Contact us for samples and bulk pricing.
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