Simpson Deck-Drive DWP Wood Screw in #8 x 2-1/2" with Type 305 Stainless Steel finish is a high-performance fastening solution engineered for deck, dock, and general exterior wood applications where reliable corrosion protection is essential. Featuring a trim head profile, T20 6-lobe drive, and a sharp point paired with unique box threads, this screw is designed to penetrate and grip the majority of wood species used in today's deck boards - delivering clean, low-torque installation and a secure, lasting hold in outdoor environments exposed to moisture and the elements.

Key Features

• Type 305 Stainless Steel material and finish - provides robust corrosion resistance for exterior deck, dock, and boardwalk applications where fasteners are exposed to moisture and weathering over time.
• Unique box thread design with raised-ridge technology - greatly reduces driving torque, so you can drive more screws on a single battery charge and reduce installer fatigue on large deck projects.
• Specially designed sharp point - penetrates hardwood and engineered wood products with ease, eliminating the need for pre-drilling in most wood deck board applications.
• T20 6-lobe drive system - provides a secure bit-to-fastener fit, resulting in smooth, easy driving and extended bit life, reducing bit cam-out and replacement costs.
• Trim head profile with 0.250" head diameter - sits low and discreetly against the wood surface, making it ideal for fascia, finishing, millwork, and trim applications where a clean appearance matters.
• Tan 03 color coating - blends naturally with common deck board tones so the fastener head is less visible once driven, contributing to a finished, professional look.
• Compatible with wood, engineered wood, and polymer materials - offers versatility across a wide range of modern decking products, from traditional lumber to composite and engineered boards.

Why This Product

• Built for exterior corrosion resistance - Type 305 Stainless Steel construction makes this screw a reliable choice for deck and dock projects where fasteners face ongoing exposure to rain, humidity, and outdoor conditions.
• Reduces installation effort and battery drain - the box thread and raised-ridge design lowers driving torque so installers can fasten more screws per charge, making it a practical solution for large-scale decking and exterior wood projects.
• Designed for a clean, low-profile finish - the trim head and Tan 03 color coordinate with deck board surfaces, making this screw a strong fit for fascia, trim, and finishing work where appearance is part of the job.
• Versatile sizing for deck and trim applications - the #8 x 2-1/2" dimension is well suited for fastening standard deck boards as well as exterior fascia and millwork, reducing the need for multiple fastener types on a single project.

Specifications

• Brand: Simpson Strong-Tie
• Screw Size: #8
• Length: 2-1/2 in.
• Head Type: Trim Head
• Head Diameter: 0.250 in.
• Drive Type: T20 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.: 102
• Country of Origin: Taiwan

Available Pack Options

• S08250WJI: 350 Pk - includes (1) T20 6-lobe driver bit
• S08250WCI: 1750 Pk - includes (1) T20 6-lobe driver bit

Approved Applications

• Decking, docks, and boardwalks - exterior wood fastening with corrosion-resistant stainless steel for long-term performance in wet and outdoor environments
• Fascia and exterior trim - the trim head profile and Tan 03 color make this screw well suited for finishing and millwork applications
• General exterior wood applications - compatible with wood, engineered wood, and polymer materials for versatile use across deck and exterior construction

Frequently Asked Questions

What makes the box thread design beneficial for deck installation?

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 speeds up large decking projects and reduces strain on both the installer and the tool.

Is Type 305 Stainless Steel appropriate for coastal or seaside environments?

Type 305 Stainless Steel provides strong corrosion resistance for deck, dock, and general exterior applications. For seaside and coastal environments with higher salt exposure, a Type 316 stainless steel screw would be the more appropriate choice.

What materials can these screws be used with?

These Deck-Drive DWP Wood screws are designed for use with wood, engineered wood, and polymer materials, making them versatile for the majority of deck boards available today as well as fascia and exterior trim applications.

Do these screws require pre-drilling before installation?

No pre-drilling is required in most applications. The specially designed sharp point is engineered to penetrate hardwood and engineered wood deck board products with ease, allowing for direct installation and saving time on the job site.

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