Simpson Deck-Drive DSV #10 x 2-1/2" Wood Screw with T25 6-Lobe Drive in Tan is a load-rated fastening solution from Simpson engineered specifically for wood decking applications. Featuring a variable thread design, high-low threaded point, and Quik Guard coating in a tan color that blends naturally with wood surfaces, this screw delivers reliable performance for deck board installation, railing post attachment, and a wide range of wood-to-wood fastening projects. Whether you are building a new deck, securing guardrail posts, or tackling DIY home improvements, the Deck-Drive DSV is designed to countersink cleanly and hold firmly in preservative-treated and dimensional lumber alike.

Key Features

• Quik Guard Coating - provides corrosion resistance for exterior and preservative-treated wood applications, keeping screws structurally sound in outdoor environments exposed to moisture and treated lumber chemicals.
• Rimmed Flat Head with Nibs - countersinks smoothly and cleanly into wood decking surfaces, leaving a finished, professional appearance without surface tear-out or raised edges.
• Variable Thread Design - optimized for dimensional lumber, reducing driving resistance so you can drive more fasteners per battery charge and work more efficiently on large decking projects.
• High-Low Threaded Point - enables fast starts and positive penetration into wood without pre-drilling in most applications, speeding up installation and reducing hand fatigue.
• T25 6-Lobe Drive - provides excellent bit engagement and torque transfer, reducing cam-out and delivering consistent, controlled driving performance.
• Tan color finish - blends visually with natural wood deck board tones, keeping fastener heads discreet for a cleaner finished deck appearance.
• #10 screw size at 2-1/2" length - sized appropriately for securing deck boards to framing and attaching railing posts to deck structures, providing solid holding power for structural and finish applications.

Why This Product

• The Quik Guard coating and variable thread shank are specifically engineered to handle the swelling and shrinkage common in wood decking, making this screw a durable long-term fastener for outdoor deck construction rather than a general-purpose substitute.
• The rimmed flat head with underhead nibs countersinks without a separate countersink step, saving time on deck board installation while producing a clean, finished surface appearance.
• Low-torque variable threads reduce battery drain during extended fastening sessions - a practical advantage when driving large numbers of screws across full deck installations.
• The tan color is matched to complement wood decking surfaces, so fastener heads remain visually subtle rather than standing out against the deck board - an important consideration for finish quality on visible deck surfaces.

Specifications

• Brand: Simpson Strong-Tie
• Screw Size: #10
• Length (in.): 2 1/2
• Head Type: Rimmed Flat Head with Nibs
• Head Diameter (in.): 0.330
• 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: 91
• Country of Origin: Taiwan

Available Pack Options

• DSVT212R80: 80 Pk - includes T25 6-lobe driver bit (replacement driver bit - BIT25T-2-R2)
• DSVT212R1LB: 1 Lb (91) - includes (1) T25 6-lobe driver bit (replacement driver bit - BIT25T-2-R2)
• DSVT212R240: 240 Pk - includes T25 6-lobe driver bit (replacement driver bit - BIT25T-2-R2)
• DSVT212R350: 350 Pk - includes (1) T25 6-lobe driver bit (replacement driver bit - BIT25T-2-R2)
• DSVT212R5LB: 5 Lb (455) - includes (1) T25 6-lobe driver bit (replacement driver bit - BIT25T-2-R2)
• DSVT212MB: 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
• Decks - Guard Rail Post to Deck
• Furniture
• Decks - Railing Post-to-Deck Framing

Frequently Asked Questions

What type of coating does this screw have, and is it suitable for pressure-treated lumber?

This screw features a Quik Guard Coating, which is designed to provide corrosion resistance for exterior applications and certain preservative-treated wood uses. It is suited to outdoor decking environments where exposure to moisture and treated lumber chemicals is a concern.

Do I need to pre-drill holes before driving this screw into deck boards?

The High-Low Threaded Point is engineered for fast starts and positive wood penetration, which generally eliminates the need for pre-drilling in standard wood decking materials. The variable thread design and low-torque threads further reduce driving effort for efficient installation.

What driver bit does this screw require?

This screw uses a T25 6-Lobe drive, which provides strong bit engagement and reduces cam-out during driving. Use a T25 6-lobe driver bit for best results.

Why is this screw tan colored, and will it blend with my deck boards?

The tan color is specifically chosen to complement natural wood decking tones, keeping fastener heads visually subtle against the deck surface. This makes it a practical choice for visible deck board applications where finish appearance matters.