Screw knowledge
Screws, also known as "screws" [Screw] (screws), "screws" (screws). In fact, the screw is a general name, and the screws and screw rods are different from each other. Screws are generally called wood screws; they are the ones with pointed ends on the front end. They have large pitch and are generally used for fastening wooden parts and plastic parts. The screw rod is a machine screw (mechanical screw), which is the kind of flat head at the front end. The pitch is small and uniform, and it is generally used to fasten metal and machine parts.
Screws are the common inventions in people's production and life for thousands of years. According to the application field, it is the first invention of human beings. Mainly cutting tools, production and processing supplies, work items, work supplies, environmental safety products, logistics and storage supplies, research management supplies, construction tools supplies series.
The main purpose is to make the height of the industrial product into a fixed unit. If the tooth and the tooth are not tightly sealed during use, if the screw head is broken too much, or the broken tooth is not tight, etc., the conditions are not met. For the accuracy of quality issues. Screws are "quantity products", not hand-made artworks. In mass production, they are supplied to consumers with high-precision and stable quality and popular prices. The accuracy of the screw is usually 6g (level 2, American standard "IFI" is 2A), and the coarse screw for construction engineering is 8g (level 3, "IFI" is 1A). The value of the screw is very important. There are examples of the bankruptcy of the car factory due to poor screw quality in the world. There are also examples of aircraft crashes and vehicle subversion caused by poor screw capacity.
Screws are good for the use of our lives and there are some inconveniences. As long as we handle them properly, screws have a great effect on our lives.
Http://news.chinawj.com.cn
Submission:
We diviided the led light according to the using eviiroment. Most of our product is the commercial LED Lighting
Commercial lighting is a term used to describe lighting that is used in commercial spaces, including auto dealerships, distribution centers, churches, factories, offices, and warehouses. Unlike residential lighting, commercial lighting is made to withstand more abuse and has a longer lifespan.
While the focus of residential lighting is often on aesthetics, commercial lighting is task orientated. Commercial lighting systems are designed based on what the application is. For example, in an office-type setting, you may see task lighting, which illuminates specific areas where employees need concentrated light to be able to perform their jobs.
Suspend Linear Light,Linear Wall Sconce Lighting,Linear Wall Mounted Light Fixture,Linear Lights For Kitchen
Jiangmen Dilin Lighting High-Tech Co., Ltd. , https://www.jmdilinled.com