October 9, 2024

Often confused with a socket screw, the button head cap screw is actually a type of socket set screw that has a recessed hexagon drive and is tightened with an Allen wrench (hex key). Button screws offer a more visually aesthetic appearance than other screw types and are commonly used in mechanical applications.

They are generally recommended for light fastening applications as they lack the strength of standard socket cap screws. The low domed head provides a wider bearing surface, making them less likely to catch or snag machinery and equipment. They also have a smooth head and no protrusions that could cause injury or damage items that come into contact with them.

Like other socket head cap screws, they have a wide load-bearing surface that helps resist loosening. They also have a shoulder that slopes at an angle of about 82-degrees (imperial) or around 90 degrees (metric). This helps provide resistance to sideways movement and allows the screw to stand up to vibration.

In addition to being easy to install, they are very durable and long-lasting. They can withstand a wide range of temperatures, conditions, and environmental factors. They are also a great choice for use with electrical and electronic equipment due to their corrosion-resistance properties. In general, they are made from materials such as black oxide steel and stainless steel. They are available in a variety of thread sizes and lengths to suit any application, whether it be for fastening, clamping, or holding. button head cap screw

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