Hinges and door lock accessories are important for the normal use and functionality of doors. Let’s take a look.


I. Hinges (Door HINGE)
1. Types of Hinges
- Flat Hinges: They have strong load-bearing capacity and durability but are not very decorative.
- Parent-child Hinges: They are the most commonly used in China, with strong applicability and easy installation.
- Detachable Hinges: Divided into left-detachable and right-detachable, which are widely used in Spain.
- Other types: L-shaped and H-shaped hinges.
2. Hinge Materials and Prices
- Iron: A common material, with a retail price of about 4 yuan per pair. It can be electroplated into many colors.
- Stainless Steel (SS): Another common material, with a retail price ranging from 8.5 yuan to 20 yuan per pair. It has only two colors: SS (brushed) and PSS (mirror).
- Copper (Brass): A more expensive material, with a retail price of about 50 yuan per pair on Taobao. It is mostly used for luxury home decoration.
- Zinc Alloy (ZINC): A common material with stable performance.
3. Hinge Specifications
- Size: Length * width * thickness
- Bearings: 2BB-4BB (Note: Iron hinges have fake bearings, usually using washers; stainless steel hinges have real bearings)
- Shaft diameter (pipe diameter): 12-16mm
