Simpson Deck-Drive DWP Wood Screw in #10 x 2-1/2", Type 305 Stainless Steel with Tan 03 finish is engineered for demanding deck, dock, and general exterior applications where reliable corrosion protection is essential. Built with a sharp point and unique box-thread design, this trim-head fastener drives cleanly into the wood surfaces most commonly found in today's deck boards, delivering a secure hold with reduced driving effort. The T25 6-lobe drive ensures a precise bit engagement, making this screw a dependable choice for decking, fascia, and exterior trim work where both performance and a clean finished appearance matter.

Key Features

• Type 305 Stainless Steel construction - provides strong resistance to corrosion in outdoor and wet environments, keeping fasteners secure over the long term in deck, dock, and boardwalk applications.
• Unique box-thread design with raised-ridge technology - greatly reduces driving torque so you can drive more screws per battery charge, increasing efficiency on large decking projects.
• Specially designed sharp point - penetrates hard and dense wood products with ease, eliminating the need for pre-drilling in most applications and speeding up installation.
• Trim head profile with 0.335 in. head diameter - sits flush and low-profile against the surface for a clean, finished appearance on fascia, millwork, and visible trim boards.
• T25 6-lobe drive - delivers a secure, slip-resistant bit fit that results in easier driving and extended bit life, reducing downtime and bit replacement costs.
• Tan 03 color finish - blends with common decking and trim materials for a visually consistent, professional result on finished exterior surfaces.
• Compatible with wood, engineered wood, and polymer materials - offers versatility across the wide range of substrates used in modern deck construction and exterior finishing.

Why This Product

• Built for exterior corrosion resistance without compromise - Type 305 stainless steel provides the durability needed for decks, docks, and boardwalks exposed to moisture and the elements, making this a reliable long-term fastening solution where standard coated screws fall short.
• Engineered to work efficiently with today's hardwood and composite deck boards - the sharp point and box-thread geometry are specifically designed for the wood species and engineered materials most commonly used in modern deck construction, reducing cam-out and driving frustration.
• Low-profile trim head keeps finished surfaces looking clean - the small 0.335 in. head diameter sits flush without leaving a large, visible imprint, making this screw well-suited for fascia, trim, and any application where appearance matters.
• Reduces installer fatigue and tool wear on large jobs - the reduced-torque box-thread design and secure T25 6-lobe drive work together to minimize strain on both the installer and the battery-powered tool, supporting productivity across extended exterior projects.

Specifications

• Brand: Simpson Strong-Tie
• Screw Size: #10
• Length: 2-1/2 in.
• Head Type: Trim 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
• Color: Tan 03
• Approx. Count per Lb.: 82
• Country of Origin: Taiwan

Available Pack Options

• S10250WJI: 350 Pk - includes (1) T25 6-lobe driver bit
• S10250WCI: 1750 Pk - includes (2) T25 6-lobe driver bits

Approved Applications

• Deck boards and decking surfaces
• Docks and boardwalks
• General exterior wood fastening
• Fascia and exterior trim installation
• Finishing and millwork applications
• Engineered wood and polymer decking materials

Frequently Asked Questions

What materials can the Deck-Drive DWP Wood Screw be used with?

The DWP Wood Screw is compatible with wood, engineered wood, and polymer materials, making it suitable for the wide variety of substrates used in modern decking, dock construction, and exterior trim applications.

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

The unique box-thread design with raised-ridge technology greatly reduces driving torque compared to standard thread profiles. This means you can drive more screws on a single battery charge, which is a significant advantage on large decking or dock projects where efficiency directly impacts productivity.

Is Type 305 stainless steel appropriate for all outdoor environments?

Type 305 stainless steel provides strong corrosion protection for deck, dock, and general exterior applications. For seaside and coastal environments where saltwater exposure is a factor, Type 316 stainless steel is recommended instead. The DWP line is available in multiple material options to match the demands of your specific installation environment.

What is the advantage of a trim head style on this screw?

The trim head features a smaller 0.335 in. head diameter compared to standard decking heads, allowing it to sit low-profile and flush against the surface. This makes it especially well-suited for fascia boards, millwork, and exterior trim where a clean, unobtrusive fastener appearance is important to the finished look of the project.

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