Customized carbon steel black plated cross round head with meson screw with gasket screw pan head self-tapping screw

Nuts are parts that tightly connect mechanical equipment. Through the inner thread, nuts and bolts of the same specification can be connected together. At present, most nuts are used together with gaskets when they are locked, or are set as an integrated structure, which has the advantage of increasing Friction, strengthen the effect of tightening, but the square nut is usually used directly without adding a gasket, and the upper and lower end faces are flat, very smooth, when subjected to strong vibration, it is very easy to loosen, and the tightening effect is not good.

One of the steps in the screw production and processing process is to slot the screw head to facilitate the use of a screwdriver when tightening or loosening the screw. Generally, companies use manual sorting, and then use the cutting knife to slot the front end screws through the track, which is inefficient, and because the screws are not fixed, the cutting knife may easily fly out or break the blade during cutting. It is a safety problem, and after cutting, the screw head has rough workmanship and burrs, which is easy to hurt the hand.

The core rivet is a new type of riveting fastener that is very convenient for riveting. It can show its unique advantages in a relatively small space or in an environment where there is no rivet gun or a rivet gun cannot be used. Two or more connected parts can be riveted successfully by hitting the mandrel on one side with a hammer or other utensils. Core rivets can be divided into oblate head core rivets and countersunk head core rivets according to the shape of the brim of the nail cap. According to different material combinations, they can be divided into all aluminum core rivets, aluminum steel core rivets, and all stainless steel core rivets. Rivets, steel rivets, aluminum stainless steel rivets, plastic rivets, etc. Core rivets do not have to be riveted with manual riveting guns or pneumatic riveting guns like blind rivets. They have better riveting and convenience, and can be widely used in the riveting of various connected parts.

At present, in the standard cabinets of computers, networks, automation, etc., to fix the equipment in the cabinet, it needs to be fixed by using fasteners. The nuts in the existing fasteners are ordinary nuts, which are internal card structures. , there are the following shortcomings: 1. The installation and disassembly are complicated, and a large amount of force is required to insert the nut during installation and disassembly, and the nut cannot be installed and disassembled at all due to the processing error of each nut; 2. After the nut is used for a long time, the nut The card edge will have slack problem, which will affect the use; 3. Installation or disassembly is easy to cause problems such as falling, which may cause electrical short circuit, etc., and there are potential safety hazards; 4. The efficiency of equipment installation is low.

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