Midwest Fasteners Zinc-Plated Steel Hex Washer Head Self-Drilling Tapping Screw

Midwest Fasteners Zinc-Plated Steel Hex Washer Head Self-Drilling Tapping Screw

Midwest Fasteners offers this Zinc-Plated Steel Hex Washer Head Self-Drilling Screw as a full size family, spanning from #6-20 x 1/2" up through #14-14 x 2-1/2", with #10-16, #12-14, #14-14, #6-20, and #8-18 thread-and-length combinations available to match the fastening job at hand. Every size in the range shares solid steel construction, a bright zinc-plated finish for everyday corrosion resistance, a hex washer head with an integrated bearing surface, and a self-drilling point that bores its own pilot hole and taps threads in a single pass through sheet metal and other thin-gauge steel. Manufactured in Taiwan and offered in Box or Each package options, this family gives contractors and fabricators a consistent, self-starting mechanical fastener for metal-to-metal connections.

Key Features

• Size Range: Available from #6-20 x 1/2" through #14-14 x 2-1/2", including #10-16, #12-14, #14-14, #6-20, and #8-18 thread sizes and lengths across the family.
• Material & Finish: Solid steel construction with a zinc-plated finish for added corrosion resistance and a uniform silver appearance across every size.
• Head Type: Hex washer head provides a built-in bearing surface and accepts standard hex drive tools or sockets for fast driving on any size in the range.
• Point Type: Self-drilling point eliminates the need for a pre-drilled pilot hole, cutting install time on metal-to-metal and sheet metal connections regardless of size selected.
• Product Type: Classified as a self-drilling tapping screw suited for fastening into steel and other thin metal substrates.
• Package: Offered in Box or Each package options to match job quantity needs.
• Country of Origin: Manufactured in Taiwan.

Technical Specifications

• Wire Size: #6-20 x 1/2" - #14-14 x 2-1/2"

Typical Applications

• Fastening sheet metal panels and light-gauge steel framing without pre-drilling.
• Attaching metal brackets, trim, and hardware to steel studs or structural members.
• HVAC duct and metal enclosure assembly where a self-tapping, self-starting screw speeds installation.
• General maintenance and fabrication work requiring a hex-drivable, washer-backed fastener.
• Metal building construction and siding attachment to steel substrates.

Why Midwest Fasteners?

Midwest Fasteners builds this self-drilling screw family from steel with a consistent zinc-plated finish, giving contractors and fabricators dependable corrosion resistance and a uniform silver appearance across every size and package option. The hex washer head and self-drilling point combination is engineered for repeatable, one-pass installation into metal, reducing labor on repetitive fastening tasks no matter which size in the #6-20 through #14-14 range is selected. Choosing Midwest Fasteners means sourcing hardware with consistent material, finish, and head design across the full size range, available in Box or Each, for both professional jobsite work and maintenance applications across steel framing, sheet metal, and general fabrication projects.