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Customized GB806 nickel-plated galvanized high head knurled big head nut double hand screw nut 3/4

We have more than ten years of production experience in the screw industry, the main products are: umbrella head machine screw, fastener processing, dispensing screw, thin riveting parts, embedded parts, American standard wide gaskets, hexagonal half-threaded bolts Screws, step nut groove nuts, five-pointed star bolts, iron galvanized pressure riveting nuts, 4.8 nuts, countersunk head torx screws, alloy auto bolts, national standard lock washers, cup head hexagonal washers and other fasteners, Due to the different materials and specifications of the products, the prices are also different, please contact us if necessary.

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Product introduction

Screw Specifications

Screw head table

At present, there are two commonly used nut fixing methods, one is welding fixing: high energy consumption, the welding process easily leads to thread deformation in the nut, which requires re-tapping, which increases the cost, and for aluminum alloy and other materials, the welding process is poor, It is easy to produce welding defects and cannot achieve the function of fastened connection; the other is to pull riveting: in this method, the connection force of the nut is not strong, the reliability is not good, and it is not suitable for thin-walled profiles.

Customized GB806 Nickel Plated Zinc Plated

In the existing life, repair parts are often used to repair the cassettes with damaged screw holes, and the screw holes on the repair parts are used instead of the original damaged cassette screw holes. However, in the prior art (application number: 201520948368.1), the restoration is fixed by rotating the support of the restoration, which is often inconvenient due to the small space of the cassette. In addition, the set screw in the prior art mainly fastens the object through the end of the screw without threaded holes, which makes it difficult to install external screws. Based on this, a method of extruding the support through a set screw with screw installation holes and tightening the repair piece, and then installing the screw on the set screw, will facilitate the quick installation and use of the repair piece.

High head knurling

big head nut

Nuts are usually used in conjunction with bolts or screws to fasten other components and are a common and widely used component. In order to make the nut not easy to loosen and fall off when it is subjected to strong vibration and irregular strong toggling, the combined nut has appeared on the market.

Double thumbtight nuts

In order to solve the problem of poor waterproof performance of the existing rivets, Guangdong Yueluo Hardware Industry Co., Ltd. provides a waterproof rivet. By arranging a figure-eight waterproof part for waterproofing on the lower end surface of the waterproof cap, when the object is riveted, The waterproof cap is subjected to the pulling force of the rivet rod and the supporting force of the object. The pulling force and the supporting force cause the waterproof cap to generate stress, which in turn causes the waterproof part of the waterproof cap to be micro-deformed in the closest contact with the object, so as to achieve a good sealing effect.


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