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Socket screws have a cylindrical head and an internal hex drive. They are used when externally wrenched fasteners are not practical because of a lack of space. Socket screws are tightened using an Allan or Hex key. Discover everything you need to know in our [socket screws guide](https://uk.rs-online.com/web/content/discovery/ideas-and-advice/socket-screws-guide).

RS offer an extensive range of high-quality threaded fixings with standard metric threads and UNC (Unified National Coarse) threads.

### Head Shapes
- **Hex Socket Button** - has a larger head diameter making them more appropriate for holding thin materials such as sheet metal guards.
- **Hex Socket Cap** - Socket cap screws have a head height equal to the shank diameter. They are used instead of a hex bolt when there is less clearance available.
- **Hex Socket Countersunk** - used when you need a screw to fit flush or below the surface of your material.
- **Hex Socket Shoulder** - often used as a pivot point or axis because shoulders are ground to a tight tolerance. They feature a small cylindrical head with tall vertical sides.

#### What are the different types of materials available?

Our socket screws are available in a range of materials to suit every application and environment. They include;

- Stainless Steel, including 316 and 304 grades
- Steel
- Brass
- Titanium Alloy

#### When would I use a Socket Screw?

Socket screws are found in a wide range of applications and industries. Machinery can often be found to have socket screws in their construction along with many industrial and engineering applications. Socket screws can provide a high level of torque and are easy to install or remove with both a manual allen or hex key or with an allen or hex bit in an electric screwdriver or drill.



Shop our range of Socket Screws & Cap Screws. Free Next Day Delivery. Browse our latest Socket Screw offers.

Socket Screws | Cap Screws | RS

Socket Screws

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Button Head Screws | RS

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Countersunk Socket Screws | RS

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M6 Socket Head Cap Screws | RS

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Krome Socket Screws | RS Components

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Countersunk Socket Screws

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