Simpson Deck-Drive DWP Wood Screw in #10 x 1-1/2" with Type 305 Stainless Steel finish is a high-performance fastening solution engineered for deck, dock, and general exterior applications where reliable corrosion protection is essential. Featuring a sharp point and unique box-thread design, this flat-head wood screw drives cleanly into the majority of wood species and materials used in today's deck boards - delivering fast, low-torque installation and a secure, lasting hold. The T25 6-lobe drive ensures confident bit engagement, reducing cam-out and extending bit life even during high-volume installations.

Key Features

• Type 305 Stainless Steel material - provides strong corrosion resistance for outdoor, wet, and exposed environments including decks and docks, where standard steel fasteners would degrade quickly
• Unique box-thread design with raised-ridge technology - greatly reduces driving torque, allowing more screws driven per battery charge and reducing installer fatigue on large 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
• T25 6-lobe drive - delivers a secure bit fit that minimizes slippage, resulting in easier driving and significantly extended bit life compared to standard Phillips or square drives
• Flat head profile - sits flush with the surface for a clean, finished appearance on deck boards, fascia, and trim applications
• Compatible with wood, engineered wood, and polymer materials - versatile enough for a wide range of decking substrates, reducing the need to stock multiple screw types
• #10 x 1-1/2" size - well-suited for fastening deck boards, fascia, and trim where a shorter, precise fastener length is required

Why This Product

• Built for corrosive outdoor environments - the Type 305 stainless steel construction resists rust and corrosion in exterior applications like decks, docks, and boardwalks, where moisture exposure is a constant concern
• Designed to reduce job-site effort - the box-thread geometry lowers driving resistance, meaning faster installation and longer battery runtime on cordless tools - a real advantage on large decking projects
• Handles today's deck board materials - the sharp point and box-thread profile are specifically designed for the range of wood, engineered wood, and polymer materials commonly used in modern deck construction, reducing splitting and driving issues
• Versatile sizing for decking and trim - available in multiple sizes including this 1-1/2" length, making the DWP a practical choice not just for deck boards but also for fascia and exterior trim applications

Specifications

• Brand: Simpson Strong-Tie
• Screw Size: #10
• Length: 1-1/2 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
• Color: None
• Approx. Count per Lb.: 134
• Country of Origin: Taiwan

Available Pack Options

• S10150WP1: 1 Lb - includes (1) T25 6-lobe driver bit
• S10150WP5: 5 Lb - includes (1) T25 6-lobe driver bit
• S10150WPB: 3500 Pk - includes (2) T25 6-lobe driver bits

Approved Applications

• Decking - securing deck boards to joists for lasting exterior performance
• Docks and boardwalks - corrosion-resistant fastening in high-moisture environments
• Fascia and exterior trim - clean flat-head finish ideal for visible trim surfaces
• General exterior wood construction - suitable for wood, engineered wood, and polymer substrates

Frequently Asked Questions

What type of bit is required to drive the Deck-Drive DWP Wood Screw?

This screw uses a T25 6-lobe drive, which requires a T25 Torx-style bit. The 6-lobe design provides a secure fit between the bit and screw head, reducing cam-out and extending bit life during installation.

Is Type 305 stainless steel suitable for coastal or saltwater environments?

Type 305 stainless steel provides strong corrosion resistance for most deck, dock, and exterior applications. For seaside and coastal environments with direct saltwater exposure, a Type 316 stainless steel screw is recommended for added protection.

Can these screws be used with engineered wood and polymer deck boards?

Yes. The Deck-Drive DWP Wood Screw is designed to work with wood, engineered wood, and polymer materials - making it a versatile choice for a wide range of modern deck board products without the need to pre-drill in most cases.

What does the box-thread design do compared to a standard thread?

The unique box-thread design with raised-ridge technology greatly reduces the torque required to drive the screw. This means less strain on your drill or impact driver, more screws driven per battery charge, and faster overall installation on decking and trim projects.

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