ThePipingMart Blog Fasteners What is Hex Machine Nuts? Uses, Dimensions and Properties

What is Hex Machine Nuts? Uses, Dimensions and Properties

What are Hex Machine Nuts

Hex machine nuts, also known as hexagon nuts, are a type of fastener used in many applications. These nuts have six sides and are designed to fit just about any bolt or screw head. While hex machine nuts are relatively simple to use, there is more to them than meets the eye. Let’s take a closer look at what makes these hexagon nuts so useful.

Hex Machine Nuts Basics

Hex machine nuts are made from various materials, including steel, stainless steel, brass, and more. These fasteners come in different sizes, shapes, and thread counts that can be matched to the bolt or screw they will be used with. The size of the nut is determined by measuring across its flats—the width between opposite sides on the nut’s hexagonal shape—and is typically expressed in millimetres or inches. The thread count refers to the threads per inch (TPI) or millimetres (TPmm). This number tells you how many threads the nut has per inch/millimetre of length so that it can properly engage with its matching bolt or screw.

When installing and removing hex machine nuts, they can be done by hand or with tools such as wrenches and sockets, depending on their size and application requirements. For example, small-sized hex machine nuts may require only your fingers for installation, but larger ones may require a wrench or socket set for proper installation and removal.

Hex Machine Nut Uses

Hex machine nuts have a wide range of uses in industrial and residential applications, from automotive repair projects to furniture assembly. They provide strong connections between components since they create uniform pressure distribution around their mating surfaces when tightened correctly; this helps ensure secure connections that can withstand heavy loads without loosening over time. In addition, these fasteners have excellent anti-corrosion properties, which make them ideal for outdoor projects where they will be exposed to moisture or other corrosive elements over time.

Hex Machine Nut Properties

  • Hex machine nuts are used in various applications, including fastening and securing.
  • Hex machine nuts are available in various sizes and finishes to meet the needs of any application.
  • Hex machine nuts are made from various materials, including steel, brass, and nylon.
  • Hex machine nuts are available in both standard and metric sizes.
  • Hex machine nuts can be used with various tools, including sockets, wrenches, and pliers.

Hex Machine Nuts Dimensions

Bolt Dimensions
Hex Machine Nut Thickness
1/4 7/16 7/32
5/16 1/2 17/64
3/8 9/16 21/64
7/16 11/16 3/8
1/2 3/4 7/16
9/16 7/8 31/64
5/8 15/16 35/64
3/4 1 /18 41/64
7/8 1-5/16 3/4
1 1-1/2 55/64
1-1/8 1-11/16 31/32
1-1/4 1-7/8 1-1/16
1-3/8 2-1/16 1-11/64
1-1/2 2-1/4 1-9/32
1-5/8 2-7/16 1-25/64
1-3/4 2-5/8 1-1/2
1-7/8 2-15/16 1-27/32
2 3 1-23/32
2-1/4 3-3/8 1-59/64
2-1/2 3-3/4 2-9/64
2-3/4 4-1/8 2-23/64
3 4-1/2 2-37/64


In conclusion, hex machine nuts offer an effective way to secure parts together while providing superior corrosion resistance and durability compared to other fasteners like bolts and screws. When selecting a hex nut for your needs, choose one compatible with your bolt or screw size and your application requirements, such as load capacity and environmental exposure conditions. Hex machine nuts are essential to any project requiring reliable fastening solutions!

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