High-strength Hex Nut is a nut for machinery. Hex Nut is classified by shape: internal hexagonal nut and external hexagonal nut. Classified by material: stainless steel hexagonal nut and general hexagonal nut, copper hexagonal nut. Classified by thickness: thick hexagonal nut and thin hexagonal nut.

Hex Nut is used in conjunction with bolts and screws to connect and tighten machine parts. Among them, type 1 hexagonal nut is widely used, and C-grade nut is used for machines, equipment or layouts with rough surface and low precision requirements; A-grade and B-grade nuts are used for machines, equipment or layouts with bright surface and high precision requirements. Type 2 Hex Nut has a thicker thickness M and is mostly used in occasions where assembly and disassembly are often required.

Why is Hex Nut the most common? What is its importance?

First of all, the nut is made into a hexagonal shape to make it more convenient to use. On the machine, the place where the nut is installed is sometimes not enough, and the space for the wrench of the nut is also very narrow. At this time, if a hexagonal nut is used, we only need to turn a wrench 60 degrees each time to slowly tighten the nut, while a square nut needs to be turned 90 degrees each time. In other words, in the space required to tighten the nut, the hexagon is smaller, but because the contact surface between the wrench and the octagonal nut is smaller and easy to slide, octagonal nuts are rarely used. Therefore, Hex Nut is the most convenient and practical. Let's take a look at the wrench. The handle and the mouth of the ordinary wrench can form an angle of 30 degrees. In this way, when the position is very narrow during the installation of the nut and the wrench cannot move freely, the Hex Nut only needs to turn the wrench once, then turn the wrench over and turn it again to adjust the nut. Repeat this several times to tighten the nut.

Secondly, in order to make full use of the material, the nut is hexagonal. Because from the perspective of strength, a large nut is definitely stronger than a small one, and in the past, a nut was generally milled from a round material. The same round bar, using it to make a Hex Nut is more efficient than making a four-corner fixed nut. Moreover, Hex Nuts made of round bars of different thicknesses are much more properly utilized than four-corner nuts.

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