Service HotlineRound head three-combination screws are also called pan-head three-combination screws, which are divided into large pan-head three-combination screws and small pan-head three-combination screws. The materials are divided into stainless steel and iron. The stainless steel round head three-combination screws include stainless steel small pan head three-combination screws and stainless steel large pan-head three-combination screws. The national standards are respectively expressed as GB9074.8 and GB9074.4.
At present, many manufacturers do not want the product to be disassembled by the user, so they set the anti-disassembly mark on the product. The common method is to apply red or blue anti-disassembly paint on the fastener, such as the nut, once the user disassembles it by himself. , the paint at the connection will fall off, and it can no longer be aligned, so that the manufacturer can judge and identify it and provide a basis for warranty. However, it is inconvenient to paint some joints, and the use of tamper-evident paint is not healthy and environmentally friendly.
Iron pans are traditional kitchen utensils for people to cook food. They generally do not contain toxic substances and will not oxidize. In the process of stir-frying and cooking food, there are very few dissolved substances in the iron pot. Even if there is iron dissolved out, it is also good for the human body. Cooking in the iron pot is the most direct way to supplement iron. The main types are India pot, ear pot, pan, oil pan, pancake pan. In the process of cooking dishes in an iron pan, a small amount of iron will dissolve in the food, supplement iron for people, supplement the iron-deficient part of the food itself, and play a role in preventing iron-deficiency anemia. Can increase the amount of iron in a person's diet. Therefore, as far as the prevention and treatment of iron deficiency anemia is concerned, cooking in an iron pan is beneficial to health.
Fastening of such functional elements in flat gaskets is usually achieved by additional measures or by a special design of an additional, functional layer adjacent to the carrier layer, or by a special design of the parts to be sealed. Fastening the functional elements in this way is laborious and expensive, and is only possible for special gasket designs.
Therefore, there is a need to design a bearing retaining ring disassembly and installation device that facilitates the installation and disassembly of the bearing retaining ring, and is safe and reliable.
We have many years of experience in the production and sales of screws, nuts, flat washers, etc. The main products are: thin rod and other long double-headed screws, 304 locking washers, K-type K-shaped toothed locking nuts, European standard screws and other products, We can provide you with the right fastener solution for you.
