1. When choosing locks, pay attention to industry brands. Don't just look at the price one-sidedly. You should choose the products of large enterprises with strength, scale, stable product quality, and reliable, and go to the hardware store of the brand agent to buy. It is necessary to recognize whether the lock product has the factory name, address, trademark, and whether there is a recent inspection report issued by a professional quality inspection agency.
2. The appearance of the lock should be clear, the surface should not be rough, and the feeling should be comfortable. The lock can be opened and rotated flexibly, the locking device should be effective, and there should be no sense of failure when it feels, and the security performance should be good.
3. When choosing a lock, you must first choose a lock that is consistent with the opening direction of your own door. Secondly, pay attention to the width of the door frame. The handle lock is not suitable for installation on the door with the frame less than 90mm. Generally speaking, the door lock of the home uses a luxurious large lock with a large panel. Whether the thickness of the door matches the lock is also an important option. , Depends on the door lock.
4. When choosing locks, the material should be moderate, and the handle should be firm and reliable. Do not choose various locks made of low-cost and low-quality materials. The main materials of the panel and handle are zinc alloy, aluminum, precision cast stainless steel, plate stainless steel, precision cast copper, and forged copper. The surface treatment of the panel and the handle mainly includes polishing, sandblasting, wire drawing, chrome plating, copper, light gold, PVD, etc. The main materials of the lock body are cold-rolled iron plate or stainless steel of the outer box, stainless steel or copper of the lock tongue, and zinc alloy or iron of other parts. There is also a full stainless steel lock body. Most of the lock cylinders are currently made of copper.