When people walk in the streets, there are always a lot of hardware stores, and some people have never been inside. Although hardware has been mentioned many times in daily life, there are not many people who really know. Hardware refers to tools made of metal such as gold, silver, copper, iron, etc., and processed. Most are some accessories. So what are the hardware and purchase methods?
Hardware is divided into general hardware and special hardware according to the function. Ordinary hardware is divided into hinge rails, decorative handles, and decorative locks according to the setting method. Special hardware is divided into bathroom hardware and kitchen pendant according to the setting method.
1. Should choose a good sealing performance, hinges, rails, locks. It is flexible and convenient to open and close and pull several times during purchase.
2. It is advisable to choose a lock with flexible performance. When you purchase, you can insert the key a few times to see if it is not smooth, and whether the switch is screwed up is not cheap.
3. Choose a variety of decorative hardware with good appearance. When purchasing, it is mainly to see if the appearance is defective, how the gloss is applied, and whether the hand feels smooth.
(1) Doors and windows and accessories: must meet the design requirements, specifications and models should comply with national standards.
(2) Floor spring: The floor spring of the door should be stainless steel or copper. Before it is installed, it should be adjusted before and after the opening and closing speed for easy use. The hydraulic part must not leak oil. A door closer can also be used.
(3) Door lock: It should be a double-sided safety lock.
(4) Push hands: stainless steel, aluminum alloy or copper.
(5) Pulley and pulley frame: The pulley can be made of hard nylon wheel and pulley frame, generally galvanized steel products.
(6) Sealing material: Sealing rubber strip should be used together with waterproof sealing glue.
How to buy:
(1) Compare the weight of the lock with the hand. The heavier the nut is, the thicker the material is and the more resistant it is to wear. On the contrary, the material is thin and easily damaged.
(2) Look at the surface finish of the lock, whether it is fine and smooth, no spots.
(3) Repeatedly open to see the sensitivity of the lock core spring.
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