Simpson 2-1/2" 8d Smooth Shank Common Nail in 316 Stainless Steel is a 10-gauge fastener engineered for decking, general wood construction, and demanding outdoor environments where corrosion resistance is critical. Built from Type 316 stainless steel - the premium choice for coastal, seaside, and high-moisture applications - this full round head nail delivers reliable holding power with a smooth shank profile and diamond point for clean, consistent driving. Whether you are framing, decking, or working with treated lumber in harsh conditions, this nail is designed to perform and endure.

Key Features

• Type 316 Stainless Steel construction - provides superior corrosion resistance compared to standard stainless grades, making it the ideal fastener for seaside builds, wet environments, and permanent structures exposed to salt air and moisture
• 10-gauge, 0.131" shank diameter - delivers a robust cross-section that resists bending under load, ensuring structural integrity in wood framing and decking applications
• 2-1/2" (8d) length - sized for common decking and general wood construction tasks, providing adequate penetration depth for secure wood-to-wood connections
• Smooth shank profile - allows for straightforward driving into lumber with consistent, even resistance, well-suited for a wide variety of construction applications
• Full round head with smooth head pattern - distributes load evenly across the surface, reducing the risk of wood tear-through and providing a flush, clean finish
• Diamond point tip - guides the nail accurately on entry, minimizing wood splitting and reducing installation time on the job site
• Made in the United States - manufactured domestically to consistent quality standards for construction professionals who require reliable, traceable fasteners

Why This Product

• Type 316 stainless steel is the recommended material for permanent wood foundations per ANSI/AWC Permanent Wood Foundations Design Specifications - making this nail a code-aligned choice for long-term structural applications in wet or coastal conditions
• For builders and contractors working near saltwater or in high-humidity climates, the elevated corrosion resistance of 316 stainless steel over standard 304 stainless means fewer fastener failures, reduced callbacks, and longer-lasting assemblies
• The smooth shank design paired with a diamond point tip makes this nail easy to drive cleanly and consistently, reducing fatigue and improving efficiency across large decking or framing projects
• Simpson's reputation in construction fasteners means this nail is built to meet the expectations of professionals who specify materials by brand for quality assurance and accountability on the job site

Specifications

• Brand: Simpson Strong-Tie
• Material/Coating: Type 316 Stainless Steel
• Gauge: 10
• Penny Size: 8d
• Length: 2-1/2 in.
• Head Diameter: 2/7 in.
• Shank Diameter: 0.131 in.
• Shank Type: Smooth Shank
• Head Type: Full Round Head
• Head Pattern: Smooth Head
• Point Type: Diamond Point
• Approx. Count per Lb.: 94
• Country of Origin: United States

Available Pack Options

• T8CN1: 1 Lb (94)
• T8CNB: 25 Lb (2350)

Frequently Asked Questions

What is the difference between Type 316 and Type 304 stainless steel nails, and which should I choose?

Type 316 stainless steel contains added molybdenum, which provides superior resistance to chlorides, salt, and chemicals compared to Type 304. For seaside construction, coastal decking, or any application with direct exposure to salt air or salt water, Type 316 is the recommended choice. Type 304 is generally sufficient for inland or protected environments with general moisture exposure.

Are these nails suitable for use in permanent wood foundations?

Yes. Stainless steel nails - including this Type 316 version - are recommended for the construction of permanent wood foundations in accordance with the ANSI/AWC Permanent Wood Foundations Design Specifications. Always verify local building codes and project specifications before selection.

What is the approximate nail count per pound for this size?

There are approximately 94 nails per pound for this 2-1/2" 10-gauge smooth shank common nail. This count can help with estimating quantities needed for a given project scope.

Is the smooth shank the right choice for all wood construction applications, or should I consider a ring shank version?

Smooth shank nails are well-suited for general wood construction and decking where standard holding power is acceptable and ease of driving is a priority. If your application requires increased withdrawal resistance - such as in high-wind regions or structural sheathing - an annular ring shank nail may provide greater pull-out resistance. Consult your project engineer or local building code requirements to determine the appropriate shank type for your specific application.

Note: Product dimensions may differ from picture. Please see the item description above for specifications.