Socket Head Cap Screws - Metric & Stainless Steel Socket Cap Screws | AFT Fasteners

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Socket Head Cap Screws

More info on Socket Head Cap Screws

Socket hex head cap screws are externally threaded machine screws with an internal hex socket drive which corresponds to a hex key or allen wrench. Because the screws are internally wrenched, they require less surface area and are thus ideal for projects where there is insufficient space for traditional wrenches or sockets.

Socket cap screws can be either fully or partially threaded. On fully threaded varieties, the thread length equals the screw length, and the screw can be installed all the way into a threaded hole. Conversely, partially threaded set screws have an unthreaded portion under the head and therefore, the thread length varies. Because the unthreaded portion of the screw is stronger than the threaded section, partially threaded set screws possess more holding power when force is applied from the side.

AFT's socket cap screws are available in metric and SAE threads in a wide range of diameters and lengths. Use the menus to the left to narrow your search for the right socket head cap screw. Additionally, you'll find that most of the head cap styles are available with either nylon-patch or nylon-pellet self-sealing threadlocking modifications for added holding power. Our most popular products are the stainless steel socket head cap screws, but we also offer silicon bronze and Ni-Cu Alloy Steel. Should you not find the modification or finish that you desire on our website, please let us know. With on-site plating and coating facilities, we are able to customize any fastener with your desired modifications, including painting, plating, drilled holes and custom lengths. Contact us or request a quote to learn more from our experienced sales representatives.

Click HERE for technical information including: head dimensions, thread & body dimensions, and nominal screw length as well as performance and mechanical properties.

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