1/4 x 1-1/2 Hex Washer SDS

Overview

The 1/4 x 1-1/2 Hex Washer SDS (03298) is designed for hardware fastening applications requiring a self-drilling screw in light gauge sheet metal and structural framing assemblies.

A self-drilling screw — commonly referred to as a tek screw — features a drill-shaped point that cuts through the substrate material during installation, eliminating the need to pre-drill a pilot hole. This design streamlines the fastening process and reduces the number of steps required on the job site. The hex washer head style provides a broad bearing surface for improved load distribution and is compatible with standard hex driver bits and magnetic nut drivers.

Technical Features

• Self-drilling point geometry: The drill-shaped tip bores through the substrate during installation, eliminating the pilot hole step and reducing labor time.
• Hex washer head design: Provides an integrated washer bearing surface beneath the head, distributing clamping force over a wider area to reduce pull-through risk in thin materials.
• 1/4 x 1-1/2 dimensions: A 1/4-inch major diameter with a 1-1/2-inch length suits light gauge sheet metal applications where controlled fastener depth is required.
• Compatible with standard hex drivers: The hex head profile accepts common nut drivers and impact-rated hex bit sockets for both manual and power tool installation.

Applications

• Light gauge sheet metal fabrication and panel attachment
• Awning frame assembly and metal canopy construction
• Door and window frame fastening into metal substrates
• Gutter installation and securing metal trim components
• Shed construction involving metal-to-metal or metal-to-structure connections