Button Head Screw

Button Head Socket Cap Screws have a rounded button-shaped head that fits over a socket drive. They can be tightened with a wrench or hex key and are able to handle higher torque specifications than slotted or cross-recessed drive machine screws.

Their wide load-bearing surface resist loosening and their low profile allows for clearance in confined spaces. They also offer a clean finish and provide protection against damage to materials that could be scratched by other, taller fasteners.
Low Profile

The low profile of a button head socket cap screw makes it suitable for applications where height is an issue. The heads of these screws sit flush with the rest of the fastener, and their rounded shape gives them an attractive appearance that blends well with most project designs.

Button head socket caps are tightened with an allen wrench or hex key and are able to be tightened to much higher torque specifications than slotted or cross-recessed drive machine screws. They also feature clean heads with no stamping or marking for a smooth, finished look.

They can be used in places where clearance is limited to avoid the screw or the fastener being damaged. It’s important to use the appropriate threadlock when installing these screws, however, as they can loosen if not properly locked down. This is because they don’t engage the hex key as deeply as other head styles do. This allows them to turn more easily when a lot of torque is applied.
Corrosion Resistant

Button head screws feature a rounded, low-profile design that sits flush with the surface of the material to minimize protrusion. This makes them ideal for applications where a more discreet, visually appealing finish is desired.

They are typically manufactured from stainless steel, which is a durable, corrosion-resistant material. This is particularly important in applications where the screw will be exposed to harsh elements like moisture, chemicals, or saltwater, as it will help protect against rust and degradation.

They also have a tamper-resistant Torx drive, which helps prevent unwanted removal or unauthorized access. Additionally, they have an O-ring under the head to block leaks and keep dust out. This ensures that the screw will perform well in even the most demanding environments. This includes applications in industries like nuclear and aerospace where strict standards are observed. For added corrosion resistance, consider choosing a screw that uses nickel or Inconel alloys. These offer high levels of oxidation and corrosion resistance.
Easy to Assemble

The button head screw has a low-profile design that helps it sit flush with the surface in which it is installed, making it ideal for projects that require a smooth, finished appearance. It also has a wider load bearing surface than standard socket screws, making it less likely to loosen over time.

These sturdy, high-performance screws are manufactured from various alloy steel types and materials that provide unique levels of strength, durability, corrosion resistance and temperature tolerance. They are available in a wide range of sizes to suit multiple applications.

They are a great option for fastening applications that require a high level of strength, and they feature a tamper-resistant Torx drive (also known as pin-in Torx) that makes it difficult to unscrew the screw without the correct tools. They are also available with a deep thread to accommodate thicker materials or tight spots. These specialized features make these hex screws suitable for many different environments and industries, including marine applications, machine assembly and manufacturing, and metal fabrication.
Easy to Remove

Button head socket cap screws have a low-profile domed head that provides a larger bearing surface and a more finished appearance than standard socket screw heads. They can be driven with an Allen wrench or hex key and are often used in applications that require light fastening.

If a screw head is stripped beyond repair, try using a screw extractor or left-hand drill bit designed for metal. The extractor’s cutting head removes the damaged screw and its threads while the removal head bites into the remaining metal to pull it out of the hole.

If the screw is still stuck, apply WD-40. The lubricant may help to give your screwdriver more leverage, making it easier to turn. If the surrounding material can tolerate heat, use a torch to warm the area around the screw. This also can give your screwdriver more friction to help it grip the screw head and loosen it. As a last resort, you can try spot-welding the screw and nut together.