what screws are used for drywall

⑹ can not open the groove 1 ~ 6mm thick metal sheet single-side welding double-sided forming.

Galvanized wire is coated with a layer of stable zinc on the outside of the wire, and the zinc layer is used to protect the wire and make the service life of the wire longer. In the production of galvanized wire, the wire should be pickled. Pickling is to use some acid mist or acid liquid to wash away some oxides on the surface of iron, that is, rust, and some other corrosion, to achieve the purpose of cleaning iron, so that zinc will fall off when galvanized.

Combination of fence mesh and maintenance network restrictions: Residential fence net, garden villa, private swimming pool, courtyard lawn, city scene, municipal transportation, sports venues, airports and ports, offices and schools, military equipment, prison farms, industrial parks, tourist resorts, distribution centers, The specifications and parameters of the fence mesh are as follows: 800, 1000, 1200, 1400, 1600, 1800, 2000, 2200, 2400 (mm) : 2000, 2500, 3000 mesh spacing (mm).