DeWALT Anchors and Fasteners UltraCon SS4 Hex Washer Head Gimlet Point 1/4" x 3-3/4" Screw Anchor is a 410 stainless steel concrete screw anchor engineered for light to medium duty fastening in concrete and masonry block base materials. Featuring a hex washer head with a gimlet point, this screw anchor installs quickly without the need for a separate anchor insert, resulting in a clean, finished appearance on the completed installation. With a Stalgard coating applied over 410 stainless steel, this anchor delivers significantly enhanced corrosion resistance compared to standard carbon steel fasteners, making it a dependable choice for demanding indoor and outdoor environments.

Key Features

• 410 stainless steel construction - provides inherent corrosion resistance suited for environments where carbon steel fasteners would fail prematurely, extending the service life of the installation
• Special heat treatment - protects the inherent corrosion resistance of the 410 stainless steel material, preserving long-term performance even in harsh or wet conditions
• Stalgard coating with 1000-hour salt spray protection - tested in accordance with ASTM B117, offering a measurable, verified level of defense against corrosive environments such as coastal or high-humidity applications
• Hex washer head design - allows for easy installation with a standard 5/16" hex driver, creating a neat and secure bearing surface against the fixture
• Gimlet point tip - self-starts into pre-drilled concrete or masonry, helping to align the screw and speed up installation
• Fast, tool-friendly installation - no separate anchor sleeve or insert required, reducing labor time and simplifying the fastening process
• Designed for concrete and masonry block - performs reliably in the base materials most common in commercial and residential construction applications
• Functions as a direct alternative to commonly known Tapcon-style concrete screws - familiar installation method with the added benefit of stainless steel material and Stalgard coating

Why This Product

• For installers working in coastal, damp, or chemically active environments, the combination of 410 stainless steel and Stalgard coating provides measurably greater corrosion resistance than standard carbon steel screw anchors - backed by 1000-hour salt spray testing per ASTM B117
• The screw anchor format eliminates the need for a separate anchor insert, which means fewer components on the job site, faster installation, and a cleaner finished appearance once the fastener is set
• Recognized under Miami-Dade County NOA No. 21-0201.08 and Florida Statewide Product Approval FL29068.1, this anchor is a proven choice for projects in high-velocity hurricane zones and regions with stringent building code requirements
• Tested in accordance with ASTM E488 and produced by DeWALT Anchors and Fasteners, this anchor brings verified load performance and brand accountability to light and medium duty concrete and masonry fastening tasks

Specifications

• Brand: DeWALT
• Product Type: UltraCon Screw Anchor
• Head Style: Hex Washer Head
• Point Style: Gimlet Point
• Diameter: 0.25 in.
• Length: 3.750 in.
• Width: 0.250 in.
• Weight: 0.044 lb.
• Primary Material: 410 Stainless Steel
• Finish: Silver
• Coating: Stalgard
• Connection Design: Concrete and Masonry
• Individual vs. Set: Individual
• Country of Origin: Taiwan

Available Pack Options

• DFM4EUH355: 100 Pk
• DFM4EUH355 -5: 500 Pk

Approved Applications

• Screen enclosures
• Storm shutters
• Light duty fixtures
• Light duty industrial mounts
• Concrete base material fastening
• Masonry block base material fastening

Frequently Asked Questions

What base materials is this screw anchor designed for?

The UltraCon SS4 screw anchor is designed for use in concrete and masonry block base materials, making it appropriate for a wide range of light to medium duty anchoring applications in both residential and commercial construction.

How does the Stalgard coating improve corrosion resistance?

The Stalgard coating provides 1000 hours of salt spray protection when tested in accordance with ASTM B117. Combined with special heat treatment that preserves the inherent corrosion resistance of the 410 stainless steel material, this anchor offers significantly enhanced protection compared to standard carbon steel fasteners.

What approvals and listings does this anchor carry?

The UltraCon SS4 anchor has been tested in accordance with ASTM E488 and holds Miami-Dade County Notice of Acceptance (NOA) No. 21-0201.08, as well as Florida Statewide Product Approval FL29068.1, making it suitable for code-compliant installations in regulated regions including high-velocity hurricane zones.

How does this anchor compare to standard Tapcon-style concrete screws?

The UltraCon SS4 serves the same purpose as what is commonly known as Tapcon screws - it threads directly into pre-drilled concrete or masonry without a separate anchor insert. The key difference is that the UltraCon SS4 is made from 410 stainless steel with a Stalgard coating, offering greater corrosion resistance for applications where long-term durability in demanding environments is a priority.

Downloads and Resources

• View Spec Sheet

Note: The image displayed is a generic representation of the type of product. Product dimensions and/or thread length may differ from picture.