What Is a Hex Nut?

What Is a Hex Nut?


A hex nut is a fastener that has a threaded hole on the […]

A hex nut is a fastener that has a threaded hole on the end. It is typically used in conjunction with a mating bolt for fastening multiple parts together. The tightening force of the mating bolt and nut is achieved through friction between the threads of both parts, slight stretching, and compression.

Hex nuts are available in different sizes and materials. They typically range from 1/4" to about 2 1/2" in diameter. They are listed in inches and are listed in tables. For size comparisons, hex nuts are often double-chamfered. Larger sizes can also have chamfered surfaces.

The hexagonal shape makes them less likely to lose their grip over time. Hex nuts are easier to install than polygon-style nuts, and their six sides provide optimal grip. Polygon-type nuts with fewer sides are too small to provide adequate grip and take longer to rotate. To install a hex nut, you'll need a hex wrench.

Hex nuts are commonly available in steel, aluminum alloy, and brass. They are usually used for industrial applications and are available in a wide range of strength levels. The most common grades are SAE Grades 2, 5 and 8, with Grade 8 being the strongest. The SAE grade designations are indicated on the surface of the nut.

Heavy hex nuts are made to the standards of ASTM A194 Grade 8M. They are made of AISI 316 grade stainless steel and have a grade marking of 8M. They are generally intended for high-temperature service. ASTM A193 and A320 bolting specifications also specify heavy hex nuts for similar applications.

The hex nut is the most versatile type of nut design. It is used in a variety of applications, such as connecting wood and metal components. Its hexagonal shape allows it to hold a large amount of torque and grip in a threaded fastener arrangement. In addition, the long length of each side gives it a high leverage point when applying torque to the nut.

A hex nut is the most common type of hexagonal fastener. It is also the easiest to handle and can be used for almost any type of application. A hexagonal nut can be used on its own or in combination with a hex head bolt. However, there are also various other types of hexagonal nuts.

A hex nut can be made of different materials, including aluminum, brass, and stainless steel. Some types are oiled and others are coated with different materials. The different coatings improve the hex nut's corrosion resistance. They can also improve the consistency of torque values. This is important because some hex nuts are not strong enough to securely secure some bolts.

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