376543 Power Pro 5/16 in. x 4 in. Flat Head Concrete Screw Anchors – Blue Epoxy Coated
PART012143
SUPPLIERHILLMAN FASTENERS
SUPPLIER PART #376543
SHELF PACK12
Ships Direct
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About this item
Built for strength, speed, and superior corrosion resistance, the Power Pro 376543 Concrete Screw Anchors are the go-to solution for fastening into concrete, masonry, and treated lumber. With a flat head design for flush finishes and a blue epoxy coating for long-lasting durability, these anchors are ideal for both residential and commercial construction projects.
Engineered for Maximum Performance
Heat-treated carbon steel construction delivers exceptional tensile strength and load-bearing capacity.
Blue epoxy coating offers 50% greater corrosion resistance than standard zinc-plated fasteners—ideal for indoor and outdoor use, including high-moisture and chemically treated environments.
Flat head with under-head micro-nibs ensures a clean, flush countersink in wood and other materials.
Fast, Clean Installation
Wide, serrated threads cut quickly and cleanly into concrete and masonry, reducing installation time and effort.
Threaded to the tip for smooth penetration—no chisel point required.
Star drive (T30) provides six points of contact for reduced cam-out and no-strip installs.
Code-Compliant and Versatile
Approved for use in AC257-treated lumber
Meets or exceeds:
California Building Code
Florida Building Code
Miami-Dade County Product Control (approval in process)
Withstands 1,500+ hours of salt spray testing, ensuring long-term performance in harsh environments
Product Specifications
Diameter: 5/16 in.
Length: 4 in.
Head Type: Flat head with star drive (T30)
Finish: Blue epoxy coating
Drill Bit Required: 1/4 in. x 5-1/2 in.
Package Quantity: 50 screws per box
Ideal Applications
Securing wood framing, electrical boxes, conduit straps, brackets, and more to concrete or masonry
Use in basements, garages, decks, and outdoor structures
Perfect for contractors, builders, and serious DIYers
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ColorBlue
BrandHillman Fasteners
Head TypeHex Washer Head
Length Identification Letter code on head for easy post-installation inspection
Building Code Approved California Building Code Approved, Florida Building Code Approved, and Miami-Dade County Product Control in process