Product Description
Simpson #10 x 1" Pancake-Head Screw in 410 Stainless Steel is a low-profile tapping screw engineered for securing clips to wood in standing-seam roofing applications. The extra-flat head profile keeps fasteners flush and out of the way, while the Type 410 stainless steel construction - enhanced with a corrosion-resistant coating - delivers reliable performance in exposed outdoor and roofing environments where moisture and weather are constant concerns.
Key Features
- Low-profile pancake head (0.438 in. diameter) - sits nearly flush against the material surface, reducing interference with overlapping panels and clips in standing-seam roofing assemblies
- #2 square drive - provides superior bit engagement and reduces cam-out compared to Phillips drives, giving installers more control when driving into roofing substrates
- Fully threaded shank - maximizes thread engagement along the entire fastener length, creating a stronger grip in wood substrates
- Type 410 stainless steel with corrosion-protective coating - resists rust and oxidation in wet, outdoor, and roofing environments where galvanic or weather-related corrosion is a risk
- Type-A point - self-starting tip makes it easier to initiate the screw without pre-drilling in compatible wood materials
- Tapping threads - designed to tap their own mating threads as they are driven, simplifying installation and reducing the need for pre-tapped holes
Why This Product
- The pancake-head profile paired with a fully threaded shank makes this screw a purpose-built solution for attaching standing-seam roofing clips to wood, where a low fastener profile and strong thread engagement are both critical to a secure, clean installation
- Type 410 stainless steel with an added corrosion-protective coating goes beyond bare stainless performance, offering an extra layer of protection for fasteners exposed to rain, humidity, and outdoor weathering over the life of a roofing system
- The #2 square drive reduces installer frustration and dropped screws during overhead or elevated roofing work, where cam-out and bit slippage cost time and effort
- The self-starting Type-A point reduces setup steps on the job site - no pre-drilling required in typical wood applications - helping roofing crews work more efficiently
Specifications
- Brand: Simpson Strong-Tie
- Screw Size: #10
- Length: 1 in.
- Head Diameter: 0.438 in.
- Head Type: Low Profile Head
- Drive Type: #2 Square
- Thread Type: Tapping Threads
- Point Type: Type-A Point
- Material: Type 410 Stainless Steel
- Country of Origin: Taiwan
Available Pack Options
- F10T100PTC: 100 Pk
- F10T100PTM: 1000 Pk
- F10T100PTB: 4500 Pk
Approved Applications
- Securing clips to wood in standing-seam roofing installations
- Outdoor and exposed roofing assemblies requiring corrosion-resistant fasteners
Frequently Asked Questions
- What replacement driver bit is compatible with the #2 square drive on this screw?
- This screw uses a #2 square drive. The compatible replacement bit is the BIT2S-2, which is designed for use with Simpson #2 square-drive screws.
- Does this screw require pre-drilling before installation?
- No. The Type-A point is a self-starting design that allows the screw to begin threading into compatible wood materials without requiring a pre-drilled pilot hole, streamlining installation in roofing applications.
- Why does this screw have a coating if it is already made from stainless steel?
- Type 410 stainless steel offers solid baseline corrosion resistance, and the additional corrosion-protective coating provides an extra layer of defense against moisture, oxidation, and outdoor weathering - making it a more durable choice for exposed roofing environments.
- What is the purpose of the low-profile pancake head on this screw?
- The low-profile head - 0.438 in. in diameter - is specifically suited for standing-seam roofing applications where the screw head must sit flat and unobtrusive beneath clips or panels. A standard raised head could interfere with the fit of overlapping roofing components.
Note: Product dimensions and/or thread length may differ from picture. Please see item description for specifications.
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