Hillman Fasteners 376542 0.312 x 3.75in. Flat Head Concrete Screw Anchors - Blue Epoxy Coated

<p>When strength, speed, and corrosion resistance matter most, the Power Pro 376542 Flat Head Concrete Screw Anchors deliver professional-grade performance for demanding concrete and masonry applications. Designed for secure fastening into concrete, brick, block, and treated lumber, these anchors are ideal for both indoor and outdoor use. </p><b>Engineered for Superior Performance:</b><ul><li>Heat-treated carbon steel construction ensures maximum tensile strength and durability</li><li>Blue epoxy coating provides 50% greater corrosion resistance than standard zinc-plated fasteners—ideal for use in treated lumber and high-moisture environments</li><li>Flat head design allows for flush, countersunk installation perfect for wood-to-concrete applications and clean finishes</li></ul><b>Fast, Clean, and Reliable Installation:</b><ul><li>Wide, serrated threads cut quickly and cleanly into concrete and masonry, reducing installation time and effort</li><li>Mid-crossband threads enhance drive stability and reduce cam-out</li><li>Under-head micro nibs help create a clean countersink in wood for a flush finish</li><li>Star drive head provides six points of contact to distribute torque evenly and prevent stripping</li></ul><b>Code-Approved and Job-Site Ready:</b><ul><li>Approved for use in concrete, masonry, and AC257-treated wood</li><li>California Building Code</li><li>Florida Building Code</li><li>Miami-Dade County Product Control (approval in process)</li></ul><b>Ideal Applications:</b><ul><li>Securing wood framing, electrical boxes, conduit straps, brackets, and more to concrete or masonry</li><li>Use in basements, garages, outdoor structures, and anywhere moisture resistance is critical</li></ul><b>Specifications</b><ul><li><b>Diameter:</b> 5/16 in.</li><li><b>Length:</b> 3-3/4 in.</li><li><b>Head Type:</b> Flat head with star drive</li><li><b>Finish:</b> Blue epoxy coating</li><li><b>Load Rating:</b> Up to 430 lbs (depending on substrate and installation)</li><li><b>Weight:</b> 3 lbs</li></ul>- SKU: WLLCH27834