Screws are often categorized according to their head. In addition to truss head and pan head, there are flange-head screws. They feature a threaded shank and a pointed end — just like most screws. Flange-head screws, however, have a unique head that distinguishes them from their counterparts. What are flange-head screws exactly?
Overview of Flange-Head Screws
Flange-head screws are fasteners with a washer built into the base of the head. They are used to join two or more parts. You can drive a flange-head screw through a set of parts. The threaded shank will grip inside the parts, thereby holding them together. Flange-head screws simply have an integrated washer at the base of the head.
Flange-head screws are available in many different drive types, some of which include:
- Hex
- Torx
- Phillips
- Slotted.
How Flange-Head Screws Work
You can use flange-head screws like most other screws. Start by drilling a pilot hole with an appropriately sized drill bit in the parts. After drilling the pilot hole, you can then drive a flange-head screw into the parts.
Flange-head screws are designed to hold multiple parts together, but they feature a unique head. As previously mentioned, they are characterized by the presence of a built-in washer. All flange-head screws have a built-in washer directly below the head.
Benefits of Flange-Head Screws
Why should you use flange-head screws instead of traditional, washer-less screws? With their built-in washer, they are able to protect parts from tension-related damage. Screws apply tension to the parts with which they are used. As you drive a screw through a set of parts, tension will be focused directly below the head. Flange-head screws distribute this tension across the entire surface of the built-in washer, thereby protecting the parts from damage.
Flange-head screws eliminate the need for a separate washer. All flange-head screws have a built-in washer. As a result, you can install them more quickly when compared to using traditional washers with a separate washer.
Since they already have a washer, flange-head screws are cost-effective. You don’t have to purchase a separate washer. Instead, you can use a single flange-head screw that features a built-in washer.
You can find flange-head screws in different materials. Stainless steel is a popular choice due to its excellent resistance to rust and corrosion. Carbon steel is another popular option that’s even stronger than stainless steel but less corrosion resistant. In addition to these and other materials, flange-head screws are available in a variety of finishes that further enhance their properties.
