When a standard screw just isn’t strong enough, consider a Socket Screw. Often used in assembly lines and industrial applications, socket screws are stronger than many other screw types with the added strength of an internal drive built into the head. This means that they are easy to tighten or loosen with a Hex Socket Wrench (or Allen wrench) and provide impressive clamping strengths while maintaining a discreet, smooth appearance.

In addition to the increased tensile strength, the drive on these heavy-duty fasteners allows for fewer screws to be used overall. This is especially useful if you’re building an enclosure or other structure that needs to be lightweight.

Socket screws are produced in a variety of grades, determined by the type of metal used and the amount of stress they’ll be required to bear. They can be cold formed, rolled or cut to produce the threads and are typically heat treated to improve hardness and tensile strength. They are then cleaned and coated, or plated as needed to protect against corrosion.

The defining feature of socket screws is the hexagonal recess within the head that accommodates an Allen wrench or hex key. This drive style makes them a popular choice for use in projects that don’t have sufficient space for traditional wrenches and sockets, such as the automotive sector, furniture manufacturing and steel fabrication.

In terms of specific designs, there are several varieties available for your consideration including button, flat and countersunk socket screws. Button heads have a mushroom-shaped head while flat heads have a completely flat top. All styles are also manufactured using DFARS sourced alloy steel for increased durability.

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