Simpson 2-1/2" 8d Finishing Nail in Type 304 Stainless Steel is a hand-drive nail engineered for finishing, millwork, and trim applications where longevity and a clean appearance are essential. Crafted from Type 304 stainless steel, these 12-gauge nails resist corrosion in demanding environments, making them a reliable upgrade over standard steel fasteners wherever durability must match the life of the material being fastened. The brad head design sits only slightly larger than the shank, allowing the nail to be countersunk below the work surface and concealed for a polished, professional finish.

Key Features

• Type 304 Stainless Steel material - resists corrosion in harsh or moisture-prone environments, ensuring fasteners last as long as the materials they secure
• Brad head design with 0.148" head diameter - minimally larger than the shank so the nail can be easily countersunk and concealed for clean, finished trim work
• Smooth shank with 0.113" shank diameter - drives cleanly and consistently, reducing splitting risk in trim and millwork applications
• Diamond point - penetrates work surfaces efficiently for easier, more controlled hand-driving
• 12 gauge, 2-1/2" length (8d penny size) - provides solid holding power appropriate for finish carpentry, interior trim, and millwork
• Made in the United States - domestic manufacturing ensures consistent quality and reliable tolerances across the product line

Why This Product

• Type 304 stainless steel construction means these finishing nails will not corrode, stain, or bleed rust streaks onto trim and millwork - protecting both the fastener and the finished surface over time
• The brad head profile and smooth shank make it straightforward to countersink these nails below the work surface, eliminating visible fastener heads and giving trim installations a truly finished look
• At 2-1/2" (8d) in 12 gauge, this nail hits a practical length and gauge for a wide range of finish carpentry tasks, from baseboards to door and window casing to interior millwork
• For applications in corrosive environments where a standard fastener would fail prematurely, stainless steel is a premium upgrade that prevents fastener-related callbacks and material damage

Specifications

• Brand: Simpson Strong-Tie
• Material: Type 304 Stainless Steel
• Finish: Type 304 Stainless Steel
• Gauge: 12
• Penny Size: 8d
• Length: 2-1/2 in.
• Head Diameter: 0.148 in.
• Shank Diameter: 0.113 in.
• Shank Type: Smooth Shank
• Head Type: Brad Head
• Head Pattern: Smooth Head
• Point Type: Diamond Point
• Approx. Count per Lb.: 146
• Country of Origin: United States

Available Pack Options

• S8FN1: 1 Lb (146)
• S8FN5: 5 Lb (730)
• S8FNB: 25 Lb (3650)

Approved Applications

• Finishing, Millwork and Trim

Frequently Asked Questions

What is the difference between a brad head and a standard nail head, and why does it matter for trim work?

A brad head is only slightly larger than the nail shank - in this case, a 0.148" head diameter on a 0.113" shank. This narrow head profile allows the nail to be driven below the work surface with a nail set and then filled and concealed, making it the preferred choice for finish carpentry, interior trim, and millwork where a clean, fastener-free appearance is the goal.

Is Type 304 stainless steel appropriate for outdoor or corrosive environment applications?

Type 304 stainless steel offers excellent corrosion resistance and is well suited for use in environments with moisture exposure or where standard steel fasteners would corrode prematurely. It is a premium upgrade to ensure fasteners last as long as the materials they fasten. For seaside or highly aggressive salt-air environments, Type 316 stainless steel offers superior corrosion resistance and may be a better fit.

What does the smooth shank and diamond point contribute to performance during installation?

The smooth shank allows the nail to drive cleanly through the work surface with less resistance, which is important in trim and millwork where splitting or tear-out would be unacceptable. The diamond point geometry concentrates driving force at a precise tip, making hand-driving easier and more controlled - reducing the effort needed and improving placement accuracy.

How many of these nails are in a pound?

There are approximately 146 nails per pound for this 2-1/2" 12-gauge 8d stainless steel finishing nail. This approximate count per pound is useful for estimating how much material you will need for a given project.

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