8 x 1-1/2 Ph Flat SDS Zn
Overview
The 8 x 1-1/2 Ph Flat SDS Zn (50901) is designed for Hardware > Hardware Accessories > Hardware Fasteners > Screws, specifically as a self-drilling fastener solution for light gauge sheet metal and related substrate applications. Manufactured by Midwest Fastener Corp., this zinc-coated, Phillips flat-head self-drilling screw (tek screw) eliminates the need for a pilot hole by integrating a drill-shaped point directly into the fastener design.
Technical Specifications
| MPN | 50901 |
|---|---|
| Brand | Midwest Fastener Corp. |
| Size | #8 x 1-1/2" |
| Drive Type | Phillips (Ph) |
| Head Style | Flat |
| Point Type | Self-Drilling (SDS / Tek) |
| Finish | Zinc (Zn) |
| Category | Hardware Fasteners > Screws |
Technical Features
- Drill-shaped self-drilling point: Cuts directly through the substrate without requiring a pre-drilled pilot hole, reducing installation steps and labor time on the job site.
- Phillips drive head: Compatible with standard Phillips screwdrivers and power bits, enabling broad tool compatibility and consistent torque application.
- Flat head profile: Sits flush with or below the material surface upon installation, providing a clean, low-profile finish suitable for visible or finished assemblies.
- Zinc coating (Zn): Provides a corrosion-resistant surface treatment, extending fastener service life in exposed or moisture-prone environments.
- #8 x 1-1/2" sizing: Designed for light gauge sheet metal applications where controlled penetration depth and thread engagement are critical.
Applications
- Light gauge sheet metal fabrication and assembly
- Awning installation and framing
- Door and window frame attachment
- Gutter installation and repair
- Shed construction and panel fastening

















































