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

Overview The Midwest Fastener 1/4 x 2-1/2 Hex Washer SDS (03300) is designed for self-drilling fastening applications in light gauge sheet metal and structural assembly work. Manufactured by Midwest Fastener, this tek screw eliminates the need for a pilot hole by integrating a drill-shaped point that cuts through the substrate as the fastener is driven, reducing installation steps and improving on-site efficiency. MPN 03300 Brand Midwest Fastener Size 1/4 x 2-1/2 Head Style Hex Washer Type Self-Drilling Screw (SDS / Tek Screw) Category Hardware Fasteners > Screws Technical Features Drill-shaped point: Cuts through substrate on contact, eliminating the need for a pre-drilled pilot hole and reducing installation time. Hex washer head: Provides a broad bearing surface that distributes clamping load and is compatible with standard hex driver bits and nut drivers. Self-drilling (SDS/tek screw) design: Combines drilling and fastening into a single operation, streamlining assembly workflows on light gauge sheet metal applications. 1/4 x 2-1/2 sizing: Offers sufficient thread engagement and shank length for secure fastening through layered or thicker light gauge sheet metal assemblies. Applications Light gauge sheet metal fabrication and attachment Awning installation and framework assembly Door and window frame fastening Gutter system installation Shed construction and panel attachment