The Simpson Deck-Drive DSV Wood Screw - #10 x 3" Tan, T25 Drive is a load-rated fastening solution engineered by Simpson for preservative-treated wood decking, general framing, and a wide range of structural wood-to-wood applications. Protected by a Quik Guard Coating that blends with natural wood tones, this tan-colored screw is purpose-built for deck boards, railing post-to-deck connections, dock and boardwalk construction, and furniture assembly. Its Variable Thread Design and High-Low Threaded Point work together to deliver fast, clean starts and reliable holding power - even in wood that expands and contracts with seasonal moisture changes.

Key Features

• Variable Thread Design - optimized thread geometry reduces torque requirements, letting you drive more screws per battery charge and reducing installer fatigue on large deck projects.
• High-Low Threaded Point - alternating thread heights provide fast starts and aggressive bite into wood fibers, eliminating the need for pre-drilling in most applications and speeding up installation.
• Rimmed Flat Head with Nibs - the nibs shear into wood fibers as the screw seats, allowing the head to countersink cleanly and flush without splintering, leaving a finished, professional appearance.
• Quik Guard Coating - provides corrosion resistance rated for exterior environments and certain preservative-treated wood applications, keeping connections secure against moisture and chemical exposure over time.
• T25 6-Lobe Drive Type - the 6-lobe interface transfers torque efficiently with minimal bit slippage, reducing cam-out and protecting both the fastener head and the surrounding wood surface.
• Tan Color Finish - the tan tone is designed to blend with natural wood decking colors, minimizing the visual impact of fastener heads on the finished deck surface.
• Load-Rated Performance - this screw is engineered to resist shear, pull-through, and withdrawal forces, making it suitable for structural deck-framing connections such as guard rail post-to-deck and railing post-to-deck framing.
• 0.330 in. Head Diameter - a precisely sized rimmed head distributes clamping load across the wood surface, reducing the risk of pull-through in decking boards under repeated live loads.

Why This Product

• Designed specifically for the demands of wood decking - the shank geometry accommodates the natural swelling and shrinkage of wood deck boards, helping maintain connection integrity through seasonal weather cycles without fastener loosening or board cupping.
• The Quik Guard Coating meets the corrosion-resistance requirements for exterior and certain preservative-treated lumber applications, making this screw a code-aligned choice for deck builds where treated lumber is used throughout the framing and decking layers.
• Versatile enough for dock and boardwalk construction, furniture assembly, and general framing in addition to standard deck applications - one screw covers a broad range of wood-to-wood fastening tasks on the job site or in a DIY project.
• The low-torque Variable Thread Design extends battery life during cordless tool operation, reducing the number of battery changes needed on a full deck installation and helping contractors and DIYers maintain productivity throughout the project.

Specifications

• Brand: Simpson Strong-Tie
• Screw Size: #10
• Length: 3 in.
• Head Diameter: 0.330 in.
• Head Type: Rimmed Flat Head with Nibs
• Drive Type: T25 6-Lobe
• Thread Type: Variable Thread Design
• Point Type: High-Low Threaded Point
• Coating: Quik Guard Coating
• Finish: Quik Guard Coating
• Color: Tan
• Approx. Count Per Lb: 76
• Country of Origin: Taiwan

Available Pack Options

• DSVT3R70: 70 Pk - includes T25 6-lobe driver bit (replacement driver bit - BIT25T-2-R2)
• DSVT3R1LB: 1 Lb (76) - includes (1) T25 6-lobe driver bit (replacement driver bit - BIT25T-2-R2)
• DSVT3R210: 210 Pk - includes T25 6-lobe driver bit (replacement driver bit - BIT25T-2-R2)
• DSVT3R5LB: 5 Lb (380) - includes (1) T25 6-lobe driver bit (replacement driver bit - BIT25T-2-R2)
• DSVT3R350: 350 Pk - includes (1) T25 6-lobe driver bit (replacement driver bit - BIT25T-2-R2)
• DSVT3MB: 1750 Pk - includes (2) T25 6-lobe driver bits (replacement driver bit - BIT25T-2-R2)

Approved Applications

• Fastening Wood-to-Wood
• DIY/Home Projects
• Decks - Deck Boards Wood
• General Framing
• Decks - Guard Rail Post to Deck
• Dock and Boardwalk
• Furniture
• Decks - Railing Post-to-Deck Framing

Frequently Asked Questions

Are these screws suitable for use with preservative-treated lumber?

Yes. The Quik Guard Coating on these screws is formulated to provide corrosion resistance for exterior applications and certain preservative-treated wood products. This makes them appropriate for deck framing, deck boards, and other outdoor wood construction where treated lumber is used.

Do I need to pre-drill before driving these screws into deck boards?

The High-Low Threaded Point is designed for fast starts in wood without pre-drilling in most situations. The alternating thread heights bite into wood fibers quickly, while the Variable Thread Design keeps torque low to reduce splitting risk - even near board edges.

What driver bit does this screw require?

These screws use a T25 6-Lobe drive interface, also commonly referred to as a Torx T25 bit. The 6-lobe design provides excellent torque transfer and resists cam-out during driving, which protects the fastener head and the surrounding decking surface.

Can these screws be used for structural connections like guard rail posts?

Yes. The Deck-Drive DSV Wood Screw is load-rated for shear, pull-through, and withdrawal resistance, and is listed among its approved applications for guard rail post-to-deck and railing post-to-deck framing connections - making it appropriate for structural as well as general wood decking uses.