Tapped M6 Threaded Hole 4 Wheels 21mm OD Sliding Door Rollers

4-Wheel Sliding Door Roller Truck
✨ Quiet Glide, M6 Thread, 21mm Wheels

This sliding door roller hardware features a durable 4-wheel truck for smooth, quiet door movement. Made from tough plastic and zinc alloy, it’s built to last and easy to install. Great for cabinets, closet doors, or lightweight sliding panels.

🟢 Pack size: One roller truck (includes 4 wheels)
🟢 Wheel diameter: 21mm
🟢 Overall size: 42mm x 22mm x 20mm
🟢 Material: Plastic wheels + zinc alloy body
🟢 Mounting: M6 threaded screw hole
🟢 Smooth, noise-free rolling design
🟢 Ideal for sliding doors, enclosures, or furniture