Designed for outdoor wood projects, the Simpson Strong-Tie No. 10 x 5-1/2 in. Lobe Bold Wood Screws deliver secure, long-lasting fastening for decks, fences, and exterior trim. With a washer head and a robust steel construction, these screws sit flush and resist pull-out under load, keeping your outdoor structures stable season after season.
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Size and drive: No. 10 diameter, 5-1/2" length, versatile for thick decking and framing. Lobe drive provides a reliable, torque-controlled installation with a compatible bit.
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Head and finish: Washer-head screws in a black finish offer a discreet, low-profile appearance while distributing load across the surface to minimize dimpling.
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Material and application: Made from steel for strength, these outdoor wood screws are designed specifically for exterior woodworking projects that demand a firm grip and enduring fit.
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Count and packaging: Sold in a 12-pack, boxed for organized storage on job sites or in tool cabinets.
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Ideal uses: Deck boards, fence rails, exterior siding, and other outdoor wood assemblies where a longer, sturdy fastener is beneficial.
Why choose this Simpson Strong-Tie screw? It pairs a proven brand name with a purpose-built length and a lobe-drive profile, giving you a dependable fastening solution for outdoor construction. The washer head helps prevent sinking and distributes pressure to reduce surface damage, while the No. 10 gauge provides the right balance of strength and workability in common softwoods and many hardwoods.
Practical tips for best results
- Assess board thickness to ensure the 5-1/2" length penetrates adequately without overdriving.
- For sensitive surfaces, pre-drilling a pilot hole can help prevent splitting on hardwoods.
- Use a compatible lobe-drive bit to achieve maximum torque and minimize cam-out during installation.
- Store the screws in their boxed packaging to keep them organized between projects.
Whether you’re building a new deck, repairing a fence, or attaching exterior trim, these No. 10 x 5-1/2 in. Lobe Bold Wood Screws from Simpson Strong-Tie provide a robust fastening option that you can rely on for outdoor wood installations.
