Lag Screw, 5/16 x 4″

Secure wood-to-wood or wood-to-structure connections with this hot-dipped galvanized lag screw. Designed for strength and long-lasting corrosion resistance in marine and outdoor environments.

Key Features

• Lag screw size: 5/16 x 4″
• Hot-dipped galvanized finish for long-lasting corrosion resistance
• Bulk fastener for marine hardware and mounting applications

Intended Use

• Marine fastening and mounting
• Outdoor/wood construction fastening
• General hardware applications involving wood materials

Product Details

• Product: Lag Screw, 5/16 x 4″
• SKU: 50-01514
• Finish/Coating: Hot Dipped Galvanized.

Parts Desk Insights

Best Use Case: Use for mounting tasks where you need a heavy-duty screw intended for bite into wood materials (and where corrosion resistance is important).

Common Issues: If youre installing into wood, confirm the pilot hole and driving setup match the lag screws size so the screw seats cleanly and doesnt strip. For best results in marine use, inspect mating parts for coating/compatibility and replace any damaged hardware.

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