Galvanized 1/4 x 2-1/2 Hex Lag Screws 100/box

Overview

The Galvanized 1/4 x 2-1/2 Hex Lag Screws (05558) are designed for heavy-duty fastening applications involving timber-to-timber connections or wood-to-masonry and concrete installations.

Technical Features

• Hexagonal head drive: Accepts standard hex wrenches and socket drivers, allowing high torque application without head stripping during installation into dense materials.
• Galvanized finish: Provides a protective zinc coating that resists corrosion, making these fasteners suitable for use in moisture-exposed or outdoor environments.
• 1/4 x 2-1/2 dimensional profile: Delivers a balance of thread engagement depth and shank diameter appropriate for structural fastening tasks without over-boring the substrate.
• Larger-format screw design: Engineered similarly to wood screws but at a heavier scale, enabling secure clamping force across thick timber or masonry substrates.
• 100-count box packaging: Provides sufficient quantity for project-scale jobs, reducing the need for frequent restocking on larger installations.

Applications

• Fastening heavy timbers to one another in structural framing and lumber construction.
• Securing wood components to masonry or concrete surfaces such as ledger boards, sill plates, and structural anchors.
• Deck and outdoor structure assembly where corrosion resistance is required due to galvanized coating.
• General heavy-duty wood fastening tasks requiring a high-clamping-force threaded fastener with wrench-driven installation.