Product Description
The Simpson 1-1/4 in. 15 deg. Wire Coil Ring-Shank Roofing Nail in Type 316 Stainless Steel is engineered for contractors and roofers who need fast installation and lasting corrosion resistance in asphalt and synthetic slate roofing applications. Built by Simpson Strong-Tie, this 11-gauge fastener combines an annular ring-shank profile, full round head, and diamond point to deliver reliable holding power in OSB or plywood roof decks, while the 15 deg. wire-coil collation keeps pace with high-volume pneumatic nailers on demanding job sites.
Key Features
- Annular ring-shank design - increases withdrawal resistance so the nail holds firmly against wind uplift and pull-through forces in OSB or plywood roof decks.
- Full round head with 3/8 in. head diameter - distributes load across a wider bearing surface, reducing the risk of pull-through in asphalt and synthetic slate roofing materials.
- Diamond point tip - pierces roofing substrates cleanly and consistently, reducing driving force and minimizing material splitting during installation.
- 15 deg. wire-coil collation - compatible with many major manufacturers' pneumatic coil roofing nailers, enabling faster loading and higher-volume output on large roofing projects.
- Type 316 stainless steel construction - provides severe-level corrosion resistance, making this fastener well suited for coastal, high-humidity, and other demanding roofing environments where standard steel nails would degrade prematurely.
- Made in the United States by Simpson Strong-Tie - backed by the quality control and engineering standards the brand is known for across the fastener and structural connector industry.
Why This Product
- Built for corrosive roofing environments - Type 316 stainless steel delivers severe-level corrosion resistance that outlasts standard galvanized or lower-grade stainless fasteners in harsh outdoor and coastal exposure conditions.
- Optimized for roofing speed and holding power together - the combination of 15 deg. wire-coil collation and annular ring-shank geometry means you gain both installation efficiency from pneumatic driving and long-term mechanical grip that resists nail back-out over time.
- Purpose-matched for asphalt and synthetic slate roofing - the full round head, ring shank, and 1 1/4 in. length are specifically suited to the fastening demands of these common roofing materials, reducing the guesswork of selecting the right nail for the application.
- High-quantity packaging for uninterrupted workflow - the 3,600-count pack is sized for professional roofing crews who need to keep coil nailers loaded and productive across large residential or commercial roofing installations.
Specifications
- Manufacturer Part Number (MPN): T11A125RNJ
- Brand: Simpson Strong-Tie
- Material: Type 316 Stainless Steel
- Finish: Type 316 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.
- Quantity: 3,600
- Country of Origin: United States
Approved Applications
- Roofing - Tile and Slate
- Asphalt roofing
- Synthetic slate roofing
What's Included
- 3,600 x Simpson Strong-Tie T11A125RNJ 1-1/4 in. 11
Frequently Asked Questions
- What roofing applications is this nail designed for?
- This nail is purpose-built for asphalt and synthetic slate roofing applications. The annular ring-shank profile and full round head work together to provide secure attachment to OSB or plywood roof decks, resisting wind uplift and pull-through in these common residential and commercial roofing substrates.
- What type of nailer is compatible with this nail?
- This nail is a 15 deg. wire-coil collated fastener and is compatible with many major manufacturers' pneumatic coil roofing nailers designed for 15 deg. wire-coil nails. Always verify your specific tool's compatibility with 15 deg. wire-coil collation before use.
- Why is Type 316 stainless steel used for this nail, and how does it differ from standard steel nails?
- Type 316 stainless steel provides severe-level corrosion resistance, making it well suited for roofing environments where exposure to moisture and the elements can cause standard steel fasteners to rust and degrade over time. This material offers long-term durability that helps maintain the integrity of the roof attachment throughout the life of the roofing system.
- What are the key dimensions and specifications of this nail?
- This nail measures 1-1/4 inches in length with a shank diameter of 0.120 inches (11 gauge) and a full round head with a 3/8-inch head diameter. It features an annular ring-shank for increased withdrawal resistance and a diamond point for easier driving. Each package contains 3,600 nails.
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