4 Inch Stainless Steel Ball Bearing Round Non-Mortise Butterfly Door Hinge
Product Overview
Product Name: 4 Inch Stainless Steel Ball Bearing Round Non-Mortise Butterfly Door Hinge
Material: High-quality 304 stainless steel (anti-rust, anti-corrosion, anti-deformation)
Size: 4 inches (standard universal size for interior doors)
Thickness: 3.0mm thickened sheet (enhanced load-bearing and stability)
Structure: Built-in precision ball bearings, round corner non-mortise butterfly shape
Surface Treatment: Brushed finish (wear-resistant, scratch-resistant, high texture)
Opening Angle: 180° universal opening
Load-bearing: Single hinge supports about 40kg, suitable for standard interior doors
Accessories: Matching mounting screws (ready to install)
Product Features
1. Precision Ball Bearing, Silent and Smooth
Built-in multi-point stainless steel ball bearings effectively reduce rotational friction, realizing no noise, no jamming when opening and closing doors. Long-term use will not produce squeaks, keeping the indoor environment quiet and comfortable.
2. Non-Mortise Design, Easy and Fast Installation
Adopting a non-mortise (no slotting) structure, no need to chisel the door leaf or door frame, just fix with screws. It saves construction time and labor costs, and is friendly to DIY installation and old door renovation.
3. 304 Stainless Steel, Durable and Anti-Rust
Made of thickened 304 stainless steel, it has excellent corrosion resistance, suitable for humid environments such as bathrooms and kitchens. It is not easy to rust, deform or break, and can maintain stable performance for many years.
4. Round Corner Butterfly Shape, Beautiful and Practical
The classic butterfly wing shape is matched with rounded corners, which fits the modern home decoration style. The brushed surface is delicate and textured, not easy to leave fingerprints and scratches, and is both beautiful and durable.
5. Strong Load-Bearing, Stable and Safe
Thickened sheet and precision shaft design ensure strong load-bearing capacity, preventing the door leaf from sagging or loosening. The connection is firm, enhancing the safety and stability of the door body.
Applicable Scenarios
Interior wooden doors, bedroom doors, study doors, kitchen doors
Old door renovation, rental house renovation, home DIY projects
Residential, office, hotel and other indoor door installation
Product Advantages Summary
