Product Description
The Simpson 1-1/4 in. 15 deg. Wire Coil Ring-Shank Roofing Nail in Type 304 Stainless Steel is engineered to combine fast, efficient installation with long-term holding power in demanding roofing environments. Built by Simpson Strong-Tie, this full-round-head, annular-ring-shank nail is purpose-built for asphalt and synthetic slate roofing applications where both corrosion resistance and withdrawal resistance are critical. The 15 deg. wire-coil collation works with many major manufacturers' pneumatic coil roofing tools, making it a practical choice for professional roofing crews looking to maintain installation speed without sacrificing fastener performance. Each package contains 2,400 nails, keeping your nailer loaded and your crew productive across large-scale roofing jobs.
Key Features
- Annular ring-shank design - increases withdrawal resistance for a secure mechanical lock into OSB or plywood roof decks, reducing the risk of fastener pull-through over time.
- Full round head with 3/8 in. diameter - provides a large bearing surface that helps hold roofing materials firmly in place and prevents the head from pulling through shingles or felt underlayment.
- Diamond point tip - pierces roofing substrates cleanly with less driving force, improving consistency and reducing splitting during high-volume installation.
- Type 304 stainless steel construction - delivers high-level corrosion resistance that protects fastener integrity in coastal, humid, or chemically exposed roofing environments.
- 15 deg. wire-coil collation - compatible with many major manufacturers' pneumatic coil roofing nailers, reducing reload frequency and maintaining a fast, uninterrupted workflow.
- 11-gauge shank at 0.120 in. diameter - provides the structural strength needed to meet holding requirements in asphalt and synthetic slate roofing applications.
Why This Product
- Built for roofing-specific performance - the combination of an annular ring-shank, full round head, and diamond point is specifically engineered for asphalt and synthetic slate roofing, delivering holding power and driving efficiency that general-purpose nails cannot match in these applications.
- Stainless steel where it matters most - Type 304 stainless steel construction protects against corrosion over the life of the roof, making these nails a sound long-term investment for projects where fastener degradation could compromise the entire roofing system.
- Designed for pneumatic production roofing - the 15 deg. wire-coil format is compatible with many major manufacturers' pneumatic tools, allowing professional crews to drive nails quickly and consistently without hand-nailing slowdowns.
- Trusted brand, domestic production - manufactured in the United States by Simpson Strong-Tie, a recognized name in structural fastening, giving contractors confidence in consistent quality and material traceability.
Specifications
- Manufacturer Part Number (MPN): S11A125RNJ
- Brand: Simpson Strong-Tie
- Material: Type 304 Stainless Steel
- Finish: Type 304 Stainless Steel
- Gauge: 11
- Length: 1-1/4 in.
- Head Type: Full Round Head
- Head Diameter: 3/8 in.
- Shank Type: Annular-Ring Shank
- Shank Diameter: 0.120 in.
- Point Type: Diamond Point
- Collation Type: Wire Coil
- Collation Angle: 15 deg.
- Packaging Quantity: 2,400
- Country of Origin: United States
Approved Applications
- Roofing - Tile and Slate: Engineered for reliable fastening in asphalt and synthetic slate roofing installations where corrosion resistance and withdrawal resistance are critical performance requirements.
- OSB and Plywood Roof Decks: The annular ring-shank profile provides a secure mechanical lock into OSB or plywood substrates, making this nail well-suited for roof deck fastening as part of a complete roofing system.
What's Included
- 2,400 x Simpson Strong-Tie
Frequently Asked Questions
- What roofing applications are these nails designed for?
- These nails are purpose-built for asphalt and synthetic slate roofing applications. The annular ring-shank design provides superior holding power, and the large flat full-round head combined with the diamond point makes driving fast and consistent in these materials.
- What nail guns are compatible with these coil roofing nails?
- These nails use 15 deg. wire-coil collation and are compatible with many major manufacturers' pneumatic coil roofing tools. Check your tool's manual to confirm it accepts 15 deg. wire-coil nails before use.
- Why is the ring-shank design important for roofing applications?
- The annular ring-shank increases withdrawal resistance compared to a smooth-shank nail, creating a more secure attachment to OSB or plywood roof decks. This enhanced holding power helps the fastener resist being pulled back through the roofing material over time, improving long-term fastening integrity.
- What material are these nails made from, and why does it matter for roofing?
- These nails are made from Type 304 stainless steel, which provides high-level corrosion resistance. This is particularly important in roofing environments where fasteners are exposed to moisture over long periods, as stainless steel resists rust and degradation that could compromise the integrity of the roof assembly.
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