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Dacromet surface treated hexagonal nuts The surface of the hexagonal nut is treated with Dacromet, which is the transliteration and abbreviation of DACROMET, also known as Dacromet, Dacromet, and Dicromet. Domestically, it is named zinc-chromium coating, which is a new type of anti-corrosion coating with zinc powder, aluminum powder, chromic acid and deionized water as the main components.
Finexpress Hexagon Copper Nut Brass Material Copper nuts are mainly hexagonal nuts or other copper nuts that match bolts. Copper nuts have the advantages of anti-corrosion, easy heat conduction, strong electrical conductivity and not easy to rust. They are generally used in high temperature, electrical, thermal and rust-proof environments, such as electrical switches, faucets, valves, etc. Another main use of copper nuts is injection molding. After heating, they are directly molded or embedded into plastic parts. Brass has good thermal conductivity. If the copper nut is heated and then embedded, on the one hand, the heated copper nut can quickly transfer heat to the plastic part, and on the other hand, the copper nut can quickly heat up and speed up the work efficiency, thereby softening the periphery of the plastic hole, which is conducive to pressing into the hole.
Finexpress stainless steel round nut GB/T 812-1988 Generally, round nuts are used together with locking washers. When installing, the inner tongue of the washer is inserted into the groove on the shaft, and the outer tongue of the washer is embedded in the groove of the round nut. At this time, the nut is locked; or double nuts can be used to prevent loosening. It is often used as the axial fixation of rolling bearings. The thread specifications are round nuts with M10×1~M200×3.
304 stainless steel hexagonal weld nut DIN 929 – 2013 Hexagonal welding nuts are used for connection. Use a welding machine to connect the hexagonal welding nut to the parent body, and then use screws to fix the required object. Generally used with a spot welding machine, it has good welding performance and high efficiency. This nut is widely used in automotive seats, sheet metal chassis cabinets, molds, ships, railways and other industries.