Self-piercing screws are a specialized type of self-tapping fastener designed to penetrate materials like light-gauge metal and wood without the need for pre-drilling. Featuring a sharp, angled tip (typically 25° to 30°), these screws cut their threads as they are driven into a surface, creating a secure, reliable connection. Their unique design eliminates extra steps in assembly, making them a time-efficient and versatile solution for various applications.
There are two primary types of self-tapping screws: thread-forming, which pushes material aside to create a path for the screw while resisting loosening, and thread-cutting, which removes material for easier insertion. Type-F thread-cutting screws, in particular, have a blunt tapered point, machine screw threads, multi-cutting edges, and chip cavities.
Learn more about self-piercing screws from Associated Fastening, the difference between self-piercing vs. self-drilling screws, and how we can help you find the right type of screws for your needs.
What Are Self-Piercing Screws Used For?
Self-piercing screws provide structural integrity and secure fastening for mating components. The two primary applications of self-piercing screws from Associated Fastening are sheet metal fastening and wood or floorboard fastening.
Sheet Metal Fastening
Self-piercing screws are ideal to use in situations involving a light gauge metal (typically 30-26 gauge) or sheet metal, such as aluminum and steel alloys. Their fine, twinfast threading creates a secure connection, ensuring durability and strength in lightweight structural components. By forming their own threads, these screws provide a tight fit, which lowers the risk of connections loosening over time.
Wood and Floorboard Fastening
In flooring applications, self-piercing screws — such as Type-F TORX® floorboard screws — offer exceptional stability and durability. These fasteners are designed to attach engineered wood, hardwood, or plywood to joists or subfloors for a flat, creak-free surface. Their sharp threading creates a stable, reliable connection for permanent flooring installations.
Self-Piercing vs. Self-Drilling Screws
While both self-piercing and self-drilling screws eliminate the need for pilot holes, their designs cater to different needs and industrial applications. Here are some of the key differences between these two types of screws.
Self-Piercing Screws
- Have an extra-sharp point
- Able to pierce sheet metal
- Feature sharp angles of 25° to 30°
- Ideal for applications requiring a tight, clean fit
Self-Drilling Screws
- Have a drill-shaped point
- Able to cut through sheet metal or steel
- A notched tip that collects debris and prevents blockages
- Ideal for industrial applications involving thicker materials, such as roofing and HVAC
Contact Associated Fastening for Self-Piercing Screws
Associated Fastening Products, Inc. has been a trusted supplier of high-quality fasteners for over 35 years. Our reputation for excellence stems from our dedication to providing superior products, expert customer support, and nationwide distribution.
With multiple distribution points across the U.S., we offer unmatched flexibility and fast delivery. Explore our comprehensive product range and discover why OEMs rely on us for all their fastening needs. Contact us today or request a quote to get started on your fastener solution.