Best Seller [1500 BULK] Self Piercing Screws Indented Hex Washer Head Slotted Drive Steel Zinc Plated 8 X 3

Self-piercing screws designed for fast metal-to-metal fastening with clean entry and robust clamping performance. The indented hex washer head, combined with a slotted drive, enables flush seating and straightforward installation in sheet metal assemblies.

Specs

Dimensions: 3 inches long; diameter #8.

Finish: Zinc plated.

Drive type: Slotted drive.

Features

Self-piercing design enables fast fastening into thin metal workpieces without pre-drilling, reducing assembly time in manufacturing and construction contexts.

Indented Hex Washer Head provides a flush seating surface and enhanced load distribution, improving seal integrity on metal panels.

Slotted drive supports common hand and power screwdrivers, ensuring compatibility in field maintenance and production environments.

Finish and corrosion resistance: Zinc plating offers modest corrosion protection in interior and sheltered environments, compatible with coating systems.

Material: Steel base with zinc plating provides a balance of strength and moderate corrosion resistance for structural sheet metal fastening.

Typical applications: Suitable for roofing, metal siding, HVAC ductwork, control panels, and automotive body assemblies where metal-to-metal fastening is required without pre-drilling.