Heavy Duty Zinc Alloy Double Window Rollers Smooth Sliding Silent For Plastic Steel Door Window Replacement【SMQ】

Description:Zinc Alloy Double Flat Groove Pulleys, Heavy Duty Quiet Sliding Rollers for Plastic Steel Doors & Windows, Improve Sliding Smoothness and Extend Hardware Service LifeFeatures:1. Heavy Duty Zinc Alloy Frame: Made of premium thickened zinc alloy for the main frame, has high hardness, anti-deformation and anti-corrosion performance, provides long-term stable support for sliding doors and windows, reduces the frequency of hardware replacement.2. Low-friction Carbon Steel Rollers: Equipped with solid carbon steel grooved rollers, greatly reduces sliding friction between rollers and tracks, delivers ultra-quiet, jitter-free opening and closing experience, no harsh squeaking noise during daily use.3. Even Load Distribution Structure: Adopts 3-wheel dual flat wheel design, evenly distributes the weight of sliding doors and windows, supports up to 50kg load per set without sticking or jamming, improves sliding stability for heavy door/window systems.4. Tool-friendly Installation Design: Pre-drilled mounting holes are reserved on both ends of the pulley, fits standard mounting positions of most plastic steel sliding systems, no extra modification required, saves installation time and labor cost.5. Anti-rust Surface Treatment: Processed with professional galvanized anti-oxidation treatment on the surface, resists daily wear, moisture and rust, maintains stable smooth performance even in humid scenarios like balconies, bathrooms and kitchens.Specifications:Category: Sliding Door & Window HardwareMaterial: Thickened Zinc Alloy Frame, Carbon Steel RollersSize: Universal size compatible with most standard plastic steel sliding door/window tracksColor: Silver MetallicApplication: Plastic steel sliding windows, sliding balcony doors, bathroom sliding doors, cabinet sliding doorsNote:1. Please note that the photo does not show actual size, please refer to Description for size details.2. Please allow differences due to manual measurement, thanks.3. Due to the difference between different monitors, the image may not reflect the actual color of the item.