Simpson Deck-Drive DWP Wood Screw in #10 x 2-1/2" with Type 305 Stainless Steel finish is a high-performance fastener engineered for deck, dock, and general exterior wood applications where dependable corrosion resistance is essential. Featuring a sharp point and unique box-thread design, this flat-head screw from Simpson drives smoothly into today's most common deck board materials - delivering a clean, flush finish and a secure hold that holds up in demanding outdoor environments.

Key Features

• Type 305 Stainless Steel material - provides strong corrosion resistance for exterior deck, dock, and boardwalk applications exposed to moisture and outdoor conditions, extending the life of your fastened connections
• Unique box-thread design with raised-ridge technology - greatly reduces driving torque so you can drive more screws per battery charge, improving job-site efficiency and reducing fatigue
• Specially designed sharp point - penetrates hard wood products with ease, eliminating the need for pre-drilling in most common deck board materials and speeding up installation
• T25 6-Lobe drive - delivers a secure bit fit that reduces cam-out, making for an easy, consistent drive and significantly extending bit life over the course of a project
• Flat head profile with 0.335" head diameter - sits flush with the surface for a clean, finished appearance on deck boards, fascia, and exterior trim
• Compatible with wood, engineered wood, and polymer materials - makes this a versatile fastener suited to a wide range of modern decking products, including composite and treated lumber
• 2-1/2" length in #10 screw size - sized appropriately for standard deck board thickness, providing strong bite into the substrate framing below

Why This Product

• Built for exterior exposure - Type 305 stainless steel construction resists the corrosion and rust that can compromise fastener integrity in wet, humid, or outdoor environments like decks, docks, and boardwalks
• Engineered to work with today's deck boards - the box-thread geometry is specifically designed for the wood species and engineered wood products most commonly used in modern deck construction, reducing the risk of splitting or overdriving
• Reduces installer fatigue and bit wear - the combination of a sharp point, low-torque box threads, and a 6-lobe drive minimizes the effort required per fastener, which adds up to real time and cost savings on larger decking projects
• Versatile for multiple exterior applications - equally suited for deck boards, fascia boards, exterior trim, and millwork, this screw handles a broad range of general exterior fastening tasks beyond just decking

Specifications

• Brand: Simpson Strong-Tie
• Screw Size: #10
• Length: 2-1/2 in.
• Head Type: Flat Head
• Head Diameter: 0.335 in.
• Drive Type: T25 6-Lobe
• Thread Type: Box Threads
• Point Type: Sharp Point
• Material: Type 305 Stainless Steel
• Finish: Type 305 Stainless Steel
• Approx. Count per Lb.: 82
• Color: None
• Country of Origin: Taiwan

Available Pack Options

• S10250WP1: 1 Lb - includes (1) T25 6-lobe driver bit
• S10250WPP: 350 Pk - includes (1) T25 6-lobe driver bit
• S10250WP5: 5 Lb - includes (1) T25 6-lobe driver bit
• S10250WPB: 1750 Pk - includes (2) T25 6-lobe driver bits

Approved Applications

• Decking, docks, and boardwalks
• Finishing, millwork, and exterior trim
• General exterior wood fastening where extra corrosion protection is required
• Fascia and trim board installation

Frequently Asked Questions

What type of wood and materials is the Deck-Drive DWP Wood Screw compatible with?

The DWP Wood Screw is designed to work with wood, engineered wood, and polymer materials. Its box-thread design with raised-ridge technology is ideally suited for the majority of wood species and composite products used in today's deck boards, including fascia and trim applications.

Why does the box-thread design matter for battery-powered driving?

The unique box-thread geometry with raised-ridge technology greatly reduces driving torque compared to conventional thread forms. This means the tool requires less effort per fastener, allowing you to drive more screws on a single battery charge - which is a meaningful advantage on large decking or dock projects.

Is Type 305 Stainless Steel appropriate for all outdoor environments?

Type 305 stainless steel provides strong corrosion resistance suited to deck, dock, boardwalk, and general exterior applications. For seaside and coastal environments with high salt-air exposure, a Type 316 stainless steel version is recommended for enhanced protection.

What drive bit is required for the Deck-Drive DWP Wood Screw?

These screws require a T25 6-Lobe (Torx-compatible) driver bit. The 6-lobe drive design provides a secure bit-to-screw fit that minimizes cam-out during driving, resulting in cleaner drives and longer bit life over the course of a project.

Note: Product dimensions and/or thread length may differ from picture.