Hexagonal Cap Screws, or hex cap screws, are one of the most common fasteners used on the several industries today. By the name itself, hexagonal cap screws are fasteners featuring a hexagonal head with a washer face on the bearing surface and a chamfered point. They are commonly used in applications such as construction and machine assemblies.

Oftentimes, hex cap screws are mistaken for hex bolts. However, these two fasteners are totally different in many ways including the manner of use or installation. Hex bolts are installed by turning a nut to tighten the fastener while hex cap screws are installed into tapped holes by turning the head to assemble and tighten. Physically, hex cap screws feature a washer face on the bearing surface and the chamfered point, a characteristic hex bolt don’t have.

18-8 Stainless steel fasteners such as the 304 Stainless Steel Hexagonal Cap Screw are the most popular type of stainless used in the production of fasteners. Its composition is approximately 18% chromium and 8% nickel. This type of stainless steel is known to have good strength and high corrosion resistance.