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Iron blind hole pressure riveting stud galvanized nut hexagonal cylindrical round standard iron stud

author:[email protected] Click:2912end source: time:2022-10-06 05:28:22

Summary of information:We have more than ten years of production experience in the screw industry. The main products are: serrated lock washers...

The spring washer is designed for screw backstop, usually a single-turn cylindrical coil spring. In order to improve its backstop function, there is also an integrated spring washer. Its structure is that the inner ring of the flat washer has multiple wings. Fold into spring tabs. Another type of washer used for backstop similar to spring washers is a serrated lock washer. However, this kind of lock washer usually has a small thickness, which is formed by folding the inner ring or the outer ring of the washer on the plane. When tightening, the elastic force is small, and the second is easy to be flattened, so that the stop The retreat function is still not strong enough.

The technical solution adopted by Guangdong Yueluo Hardware Industry Co., Ltd. to solve the problems of the prior art is: a patch nut, which is characterized in that it includes a nut body, and the nut body has a welding end face, and the edge of the welding end face forms a The serrated teeth protruding outwards of the ring.

In our life, there are many solid wood furniture. The parts of these furniture are positioned and connected by connecting parts such as screws or nails, so the surface of the furniture will leave marks of screws or nails, or even some cracks, so that the surface of the furniture will not be damaged. Flat, particularly unsightly.

It is used for fastening in the machinery, construction and electrical industries. One end is a hexagonal head for wrench tightening, and the other end is a thread. According to different thread lengths, it is divided into full thread and half thread, abbreviated as: GB bolt.

Reference standard GB 90 Fastener acceptance inspection, marking and packaging GB 196 Basic dimensions of ordinary threads (1~600mm in diameter) GB 197 Tolerance and fit of ordinary threads (1~355mm in diameter) GB 230 Test method for Rockwell hardness of metals GB 699 High-quality carbon Plain structural steel technical conditions GB 1237 Marking method of fasteners GB 5267 Electroplating layer of threaded fasteners GB6394 Determination of average grain size of metals

We have many years of experience in the production and sales of screws, nuts, flat washers, etc. The main products are: brass inserts, copper insert embedded parts, Q863 square welding nuts, external tooth lock washers and other products, we can provide you with suitable products Your fastener solution.


Blind hole pressure riveting stud

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