A socket button screw is a type of screw characterized by its distinctive rounded, slightly convex head and a recessed drive, typically in the form of a hexagonal socket (also known as an Allen drive). This recessed design allows the screw to be driven using an Allen wrench or hex key, providing a secure and torque-efficient means of fastening.
The "button" aspect of the screw refers to the head's shape, which is generally broader and more rounded compared to other screw types like flat-head or pan-head screws. This makes socket button screws ideal for applications where a smooth, low-profile, and aesthetic finish is required, as the rounded head often sits slightly above the surface of the material.
These screws are commonly made from materials like stainless steel, carbon steel, or alloy steel, offering good strength and durability. They're used in various industries, including automotive, electronics, furniture, and machinery, especially when space constraints or a clean finish are necessary.
The button head screws are not used when there is a lot of stress on the screw when a socket head cap screw should be used.
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