Hardware tool box Wholesale Price teaches you how to choose hardware tools.
1. Handle: applied to casement windows. The main purpose is to press the sash on the window frame when the casement sash is closed to achieve the purpose of sealing. Consumers need to pay attention to the observation that the surface is leveled, free of burrs, hand weighed, and the coating surface is uniform.
2. Pulley: bear the weight of each sliding door and window and move it horizontally. Consumers need to pay attention to the material of the pulley frame and whether the pulleys use needle bearings or ball bearings when buying. The pulleys for sliding doors should be heavy-duty door pulleys, and they must not be replaced by sliding window pulleys.

3. Hinge: applied to casement doors and windows. Consumers can also observe the materials of the hinges when purchasing. They are made of copper, iron-plated copper, stainless steel, and aluminum alloy extrusion materials. Do not use zinc alloy cast hinges.
4. Sliding support: a device that supports the opening, closing and fixing of the casement window sash. It is better for consumers to use stainless steel materials when buying, and the surface layer should not have defects such as scratches, sharp edges, burrs, etc. When the sliding support is opened and closed, a little resistance is sufficient.
5. Half-moon locks: most of them are hook locks between fans. Consumers should use stainless steel or aluminum alloy.
The above is the introduction of Hardware tool box Wholesale Price editor: how to choose the relevant knowledge of hardware tools.