Simpson Strong-Drive SCN Smooth-Shank Connector Nail, 16d 0.162 x 3-1/2", Hot-Dip Galvanized - from Simpson Strong-Tie - is a structural-connector fastener engineered for reliable performance in a wide range of connector applications and service environments. With a full round, smooth head and smooth shank profile, this 8-gauge nail is purpose-built for fastening Simpson Strong-Tie connectors in interior, exterior, dry-service, and corrosive environments. The hot-dip galvanized Class D coating delivers proven corrosion resistance, making these connector nails a dependable choice wherever environmental durability matters.

Key Features

• Hot-Dip Galvanized, Class D coating - provides heavy-duty corrosion resistance suited for exterior, wet-service, and demanding environmental conditions where standard coatings may fall short.
• Full round smooth head (0.340" diameter) - seats flush and securely against connector hardware, reducing the risk of installation errors and delivering consistent bearing surface contact across each nail driven.
• Smooth shank profile at 0.162" diameter (8 gauge) - allows clean, consistent drive into connector nail holes designed to accept this shank size, ensuring proper fit with compatible Simpson Strong-Tie hardware.
• 16d penny size at 3-1/2" length - matches the standard connector nail length called out in many Simpson Strong-Tie installation specifications, supporting code-compliant structural connections.
• Complies with ASTM F1667 (metal hardware nails) - meets the recognized industry standard for metal connector plate nails, giving engineers and inspectors confidence in the fastener's qualification.
• Versatile sizing availability - the SCN line is offered in several sizes, giving contractors flexibility to select the right nail for each specific connector application on the jobsite.

Why This Product

• Designed specifically for Simpson Strong-Tie connector hardware - using a nail engineered to pair with the connector, rather than a generic substitute, helps ensure the structural assembly performs as intended and aligns with connector load table requirements.
• Hot-dip galvanized Class D coating for harsh environments - when connectors are installed in exterior or corrosive conditions - such as near coastal air, treated lumber, or exposed structures - this coating level is formulated to stand up where lighter coatings may degrade prematurely.
• Smooth shank for straightforward installation - the smooth-shank design drives cleanly into pre-defined connector nail holes without the resistance of ring or spiral shanks, helping maintain consistent installation speed and reducing the chance of connector distortion during nailing.
• Approximately 46 nails per pound - knowing this count helps site managers and estimators plan material quantities accurately for connector-heavy framing work, reducing material waste and avoiding mid-job shortfalls.

Specifications

• Brand: Simpson Strong-Tie
• Penny Size: 16d
• Length (in.): 3 1/2
• Shank Diameter (in.): 0.162
• Head Diameter (in.): 0.340
• Gauge: 8
• Shank Type: Smooth Shank
• Head Type: Full Round Head
• Head Pattern: Smooth Head
• Coating: Hot-Dip Galvanized, Class D
• Approx. Count Per Lb: 46

Available Pack Options

• 16DHDG-R: 40 Pk
• 16D5HDG-R: 200 Pk

Approved Applications

• Fastening Simpson Strong-Tie Connectors

Frequently Asked Questions

What environments are these hot-dip galvanized connector nails suitable for?

The Hot-Dip Galvanized, Class D coating is formulated to perform in interior, exterior, dry-service, and corrosive environments. This coating level provides a heavier zinc layer than standard electro-galvanized finishes, making these nails appropriate for outdoor structural connector installations and conditions where moisture or chemical exposure is a concern.

Why should I use SCN smooth-shank nails instead of a general-purpose framing nail with Simpson Strong-Tie connectors?

Simpson Strong-Tie connector hardware is engineered with specific nail hole sizes and load calculations based on defined fastener dimensions. Using the purpose-designed SCN nail - with its 0.162" shank diameter, 0.340" head diameter, and 3-1/2" length - helps ensure the installed assembly aligns with the connector's tested performance parameters and any applicable installation specifications.

Does this nail meet any recognized standards?

Yes. These Simpson Strong-Drive SCN nails comply with ASTM F1667, the standard specification for driven fasteners (nails, spikes, and staples) for metal hardware applications. This compliance supports use in code-reviewed structural connector installations.

How many of these nails are there per pound?

There are approximately 46 nails per pound for this 16d, 0.162 x 3-1/2" size. This figure is useful for estimating material quantities needed when planning connector-intensive framing projects.

Note: The image displayed is a generic representation of the type of product. Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.