At present, most consumers lack understanding of door and window hardware when purchasing doors and windows, lacking correct judgment and sufficient understanding. However, in the doors and windows, the role of hardware and accessories is an essential key component. It can be said that hardware and accessories are the most used door and window components, and its quality is related to the service life of doors and windows, directly affecting The overall quality of doors and windows. It can be said that the door and window hardware is the core of the entire door and window, including the handle, the lock, the hinge, etc., each component plays a significant role. The key to the service life of doors and windows is the maintenance of “hardwareâ€. The maintenance of the door and window hardware, the key lies in the following 4 points 1, stainless steel handle and stainless steel other "hardware" can be wiped with a brightener, can add light. 2. Moving parts such as hinges, hanging wheels and casters may degrade performance due to the adhesion of dust during long-term movement. One or two drops of lubricant can be kept smooth every six months or so. 3, pay special attention to the direction of the handle rotation, avoid using dead force. In particular, educate children not to hang on the door handle to sway, which is both dangerous and may cause damage to the inner door. 4. When the lock cylinder is not flexible enough, scrape a small amount of black powder from the pencil lead and gently blow it into the lock hole. This is because the graphite component is a good solid lubricant. Never drop in the oil as it will make it easier to stick to the dust. stainless steel commercial flat washers are used under bolt heads or nuts to increase the bearing surface area, or to offer protection so that the nut or bolt can be rotated without distortion of the bearing surface. Flat washers are also used to give tightness to a joint, to prevent leakage, and especially to distribute pressure under the head of a bolt or nut. Dimensional specifications are governed by ASME B18.21.1. Commercial flat washers generally have a larger outer diameter than SAE (Society of Automotive Engineers) flat washers, and can be utilized in nearly any application. stainless steel fasteners are commonly used in applications that require general atmospheric corrosion resist ance, such as chemical and food processing equipment. Stainless steel has a higher corrosion resistance than carbon steel. Stainless Steel Washer,Ss Washer,Stainless Steel Square Washers,Black Metal Washers Taizhou Hongchuang Hardware Co., Ltd. , https://www.taizhouhongchuang.com