Simpson Trim-Head Decking Screws in #7 x 2-1/4" with a T15 6-Lobe drive are engineered for PVC and composite deck installations where a clean, low-profile finish and superior corrosion resistance are both essential. Built from Type 316 stainless steel and finished in Gray 04 - a color matched to blend with most major composite and PVC decking brands - these fasteners are the go-to choice for coastal, marine, and high-exposure outdoor environments where ordinary screws would quickly fail. The trim-style head sits discreetly on the decking surface, delivering a polished appearance without sacrificing holding strength or long-term durability in demanding weather conditions.

Key Features

• Trim Head design with 0.230" head diameter - sits low and inconspicuously on the decking surface for a clean, finished look that doesn't detract from the deck's appearance
• Type 316 stainless steel material and finish - provides superior corrosion resistance against saltwater, moisture, and harsh coastal or marine environments where standard fasteners deteriorate rapidly
• Gray 04 painted head - blends seamlessly with most major PVC and composite decking manufacturers' color palettes, minimizing the visual footprint of each fastener on the finished surface
• T15 6-Lobe drive system - reduces driver-bit cam-out during installation, resulting in easier, more controlled driving and extended bit life over the course of a full deck project
• Type-17 point - enables fast, clean starts without pre-drilling through the field of the board, saving time and labor during installation
• Coarse threads - draw the decking material tightly down to the framing for a secure, gap-free connection between the deck board and the substructure
• 2-1/4" length (#7 screw size) - sized appropriately for PVC and composite decking applications, providing adequate penetration into the framing below

Why This Product

• Built for marine and coastal exposure - Type 316 stainless steel is the specified material choice for seaside applications, offering a higher level of corrosion resistance than Type 304 stainless or coated alternatives, making these screws a reliable long-term fastener in saltwater-adjacent environments.
• Designed specifically for composite and PVC decking - the trim head profile and painted Gray 04 color are intentionally matched to blend with most major composite and PVC decking brands, so the fastener disappears into the surface rather than drawing the eye.
• Reduces installation fatigue and bit waste - the 6-lobe T15 drive geometry minimizes cam-out, meaning fewer stripped heads, less bit replacement, and a faster, more professional-looking installation from start to finish.
• Coarse threads plus Type-17 point work together - the point starts quickly and the coarse thread pattern pulls boards tight to the framing, reducing the risk of gaps or surface movement once the deck is complete.

Specifications

• Brand: Simpson Strong-Tie
• Screw Size: #7
• Length: 2-1/4 in.
• Head Type: Trim Head
• Head Diameter: 0.230 in.
• Drive Type: T15 6-Lobe
• Thread Type: Coarse Threads
• Point Type: Type-17 Point
• Material: Type 316 Stainless Steel
• Finish: Type 316 Stainless Steel
• Color: Gray 04
• Approx. Count per Lb.: 138
• Country of Origin: Taiwan

Available Pack Options

• T07225FT70GR04: 70 Pk - includes (1) T15 driver bit included (replacement bit model BIT15T-2-R2)
• T07225FTPGR04: 350 Pk - includes (1) T15 driver bit included (replacement bit model BIT15T-2-R2)
• T07225FTBGR04: 1750 Pk - includes (2) T15 driver bits included (replacement bit model BIT15T-2-R2)

Frequently Asked Questions

What type of decking is this screw designed for?

These Trim-Head screws are designed for use with PVC and composite deck boards. The trim head profile and painted Gray 04 color are specifically matched to blend with most major PVC and composite decking manufacturers, making them ideal for installations where a clean, low-profile fastener appearance is desired.

Why choose Type 316 stainless steel over other finishes for deck screws?

Type 316 stainless steel offers superior corrosion resistance compared to standard coated or Type 304 stainless fasteners. It is the recommended choice for marine environments, seaside applications, and other high-exposure outdoor settings where moisture, salt air, or chemicals are present. This material helps ensure the fasteners maintain their integrity and appearance over the long term.

Is pre-drilling required when installing these screws?

The Type-17 point is designed for fast starts and can typically be driven without pre-drilling through the field of the board. However, pre-drilling is recommended near board ends to prevent splitting of the decking material during installation.

What driver bit is needed for these Trim-Head screws?

These screws use a T15 6-Lobe drive, so a T15 Torx-compatible driver bit is required for installation. The 6-lobe geometry is specifically designed to minimize cam-out, helping extend bit life and making the driving process smoother and more controlled.

Note: Actual product colors may vary from colors shown on your monitor.