Hex bolts, also called hexagon screw head bolts, hex cap bolts, hex-cap screws, or machine bolts, are a very common choice when it comes to construction and repair. Hexagon screw head bolts come in a large variety of sizes and diameters. The best way to choose the right hex bolt is to find the bolt material that best suits your needs. Hexagon Head screws are the industry standard for fasteners with forged heads.

A bolts and several other common specifications require a standard (finished) hex head. The most common hexagon head screw head bolts are zinc plated and the stainless steel hex head bolts is the choice which no need to coating to read corrosion resistance.