Do It 729956 Exterior Deck Screw 1-1/4 in Galvanized 1 Lb

Product Description

The DO IT 729956 is a 1-1/4 inch combo drive exterior deck screw sold in a 1-pound box. It features a galvanized base with a PrimeGuard Plus coating that delivers high corrosion resistance and extended service life. The screw head is flat and countersinking, and the drive is combo style for use with standard bits. A Type 17 drill tip allows direct entry into wood without pre-drilling. The extra-coarse thread pattern is engineered to reduce wood splitting and minimize friction during installation. The coating color is formulated to blend with the appearance of pressure-treated lumber.

This screw is designed for exterior fastening applications including decks, docks, fences, and gazebos. It is compliant for use with treated lumber, making it suitable for ground-contact and above-ground treated wood construction. The coarse thread and drill tip design make it a practical choice for residential decking and general outdoor wood framing where corrosion resistance and pull strength are required. Typically installed by carpenters, general contractors, and experienced DIYers working on exterior wood structures.

Key Features

• Type 17 drill tip drives into wood without pre-drilling
• Extra-coarse thread reduces wood splitting and lowers driving friction
• Galvanized base with PrimeGuard Plus coating for high corrosion resistance
• Flat countersinking head sits flush with the wood surface
• Coating color matches the appearance of treated lumber
• Compliant for use with pressure-treated wood

Compatibility

Designed for all exterior wood applications including decks, docks, fences, and gazebos. Compliant for use with treated lumber products.

Installation Notes

Install with a standard combo-drive bit using a cordless or corded drill driver. No pre-drilling is required when using the Type 17 drill tip, though pilot holes are recommended near board ends to prevent splitting in hardwoods. Follow applicable building codes for deck fastener spacing and embedment depth. Store unused screws in a dry location to preserve the protective coating.