Socket Head Bolt are a special type of fastener that combine the features found in standard hex bolts with increased strength. These fasteners are used in applications in which there is not enough space to maneuver a wrench hex screw, such as in machine parts, die fixturing and clamping. At Electronic Fasteners, located in Canton MA, we can help you select the correct socket head cap screw to meet your specific needs.
Whether you need high or low shear capacity, we have the right socket head cap screws for your application. We stock a large selection of sizes and materials, including stainless steel. We also offer a variety of finishes and materials for corrosion resistance and appearance enhancement.
The socket screws category contains several different types of fasteners, but they all share one thing in common: they use an internal hex drive for installation. This is what makes them different from other cap screw varieties and what differentiates them from normal hex bolts, which are driven by standard wrenches.
Hex socket cap screws feature a hexagonal drive hole, and they are designed to be driven by Allen wrenches or hex keys. They come in three styles: a flat head, a button head and a low head.
Flat and low head socket screws are countersunk, so they do not protrude above the surface of the mating part. This provides a smooth, flush finish for safety and aesthetic purposes. The button head is rounded, which prevents snagging on tools or equipment in moving machinery. Button head socket caps have a wide load-bearing surface, which helps them resist loosening due to vibration. They are commonly used in metal stamping dies, plastic injection molds, power plant equipment and transmission tools and hydraulic braking systems.