Description

Key Features

Nail Replacement

Built to replace nails in approved Simpson Strong-Tie stainless-steel connectors. That gives you more control during installation, especially where swinging a hammer is awkward.

316 Stainless Build

Type 316 stainless steel gives this connector screw strong corrosion resistance for severe exposure conditions, making it a practical choice for exterior connector work.

Fast Hex Drive

The 1/4 inch hex head with integrated washer helps reduce cam-out and makes the Simpson Strong-Tie connector screw easier to drive cleanly with a drill or impact driver.

Overview

The Simpson Strong-Tie SD9112SS-R100 Strong-Drive SD CONNECTOR SS Screw is a stainless-steel connector screw made for fastening approved Simpson Strong-Tie stainless-steel connectors to wood. This is a connector screw designed for fastening structural connectors in wood framing and exterior construction. Model Number: SD9112SS-R100. If you need a cleaner, more controlled alternative to hand-driving nails into connectors, this is the fastener built for that job.

What matters here is not just that it is a #9 x 1-1/2 inch wood screw. This screw was specifically designed as a nail-replacement option in certain Simpson Strong-Tie stainless-steel connectors, and Simpson states it is the only screw approved for that application in those listed connectors. The single-fastener load capacity of the #9 SD SS exceeds the capacity of a 10d common nail, so you are not trading strength for convenience. You are getting a fastener engineered for connector work, not a general-purpose deck screw pressed into service.

The drive and head design are set up for real installation conditions. A 1/4 inch hex head gives positive engagement with a drill or impact driver, which helps when you are working overhead, between joists, or in tight corners where a hammer is just the wrong tool. The 0.370 inch integrated washer increases bearing surface under the head, and the head is stamped for post-installation identification. That might sound minor until you are inspecting a job later and want to confirm the right fastener was used.

Simpson also designed the shank to match the fastener holes in its connectors. That is a big deal for fit and repeatability. With connector fasteners, the geometry matters. A generic screw can fit poorly, sit wrong in the hole, or create questions about approval. This screw is purpose-built for connector installation, which means better alignment in the hardware and less guesswork on the job.

Material choice is another reason this fastener stands out. The SD9112SS-R100 uses Type 316 stainless steel, which is a strong pick for corrosion resistance in severe environments. For exterior framing, coastal exposure, and other jobs where moisture and corrosion are real concerns, that matters more than a flashy coating claim. If your hardware calls for stainless, using the right stainless fastener helps maintain the connector system the way it was intended.

This pack includes 100 screws and a hex driver, so you can get started right away. Each screw has a sharp point, 1-1/4 inch thread length, 0.130 inch shank diameter, and 8-1/2 threads per inch. In practical terms, that means quick starts in wood, predictable driving, and a layout tuned for connector fastening rather than finish appearance. This is a structural fastening product, not a trim screw.

Compatibility matters with a product like this. These screws are tested and approved for use in many popular Simpson Strong-Tie stainless-steel connector products, but not every connector takes every fastener. The right move is to match the connector and approved fastener schedule instead of assuming any stainless screw will work. That is exactly why pros buy connector-specific fasteners like this one.

Who should buy it? Carpenters, deck builders, marine and coastal contractors, remodelers, and serious DIYers doing connector-based framing repairs or upgrades. If you are installing stainless Simpson hardware and want the correct screw for approved applications, this is the one. If you just need a random exterior wood screw, buy something else. This fastener earns its keep when connector approval, corrosion resistance, and installation control actually matter.

Install Connectors Without Fighting the Space

When you are working around installed framing, rails, or awkward connector locations, screws give you far better control than swinging a hammer. This is where a connector screw like this pays off.

• Designed to replace nails in certain approved Simpson Strong-Tie stainless-steel connectors
• 1/4 inch hex head drives cleanly with a drill or impact driver in tight or overhead spaces

Built for Corrosion-Prone Jobs

Type 316 stainless steel is the right call when connector work is exposed to moisture and corrosive conditions. If the jobsite is coastal, wet, or simply hard on hardware, material choice is not optional.

• Type 316 stainless steel construction for strong corrosion resistance
• Suitable for interior and most exterior connector applications where approved

Made to Fit Connector Holes Properly

This is not just a stainless wood screw with a hex head. The shank and head details were engineered around connector fastening, which helps with fit, identification, and cleaner installation.

• 0.370 inch head diameter with integrated washer for solid bearing surface
• 0.130 inch shank diameter designed to match Simpson Strong-Tie connector holes

What’s in the Box

• (100) Simpson Strong-Tie SD9112SS-R100 #9 x 1-1/2 in. Strong-Drive SD CONNECTOR SS screws
• (1) Hex driver bit

Key Specifications

Screw Size	#9
Length	1-1/2 in.
Material	Type 316 Stainless Steel
Head Type	Hex Head with Integrated Washer
Drive Type	1/4 in. Hex
Head Diameter	0.370 in.
Shank Diameter	0.130 in.
Thread Length	1-1/4 in.
Threads Per Inch	8-1/2 TPI
Point Type	Sharp Point
Package Quantity	100
Use Location	Exterior

Compatibility

Connector System

Tested and approved for use in many popular Simpson Strong-Tie stainless-steel connector products. Always verify the exact approved fastener schedule for the specific connector.

Driver Interface

Uses a 1/4 inch hex drive and includes a hex driver bit for installation.

Material Pairing

Intended for use where stainless connector fastening is required and wood-to-wood connector attachment is the application.

Built For

Construction Carpentry Deck Building Remodeling Exterior Framing Connector Fastening Pressure-Treated Lumber Work Coastal Projects

Pro Tip

Use this screw where the connector schedule specifically calls for the SD CONNECTOR SS fastener. With structural connectors, the right screw matters just as much as the right connector, so do not swap in a generic stainless wood screw and assume you are good.

At a Glance

#9

Screw Size

1-1/2 in.

Overall Length

316

Stainless Steel

100

Pieces per Pack

Tool Nut’s Take

Tool Nut’s Take

Simpson Strong-Tie SD9112SS-R100 Strong-Drive SD CONNECTOR SS Screw for the jobs where the right fastener actually matters

This is the screw you buy when you want an approved stainless connector fastener, not a close-enough substitute.

• Who it’s for: Contractors, deck builders, remodelers, and serious DIYers installing approved Simpson Strong-Tie stainless-steel connectors in wood framing.
• Why it stands out: It is purpose-built for connector holes, offers controlled hex-drive installation, and uses Type 316 stainless steel for corrosion resistance in tougher environments.
• Worth knowing: This is a specialized connector screw, not a general construction screw. The value is in using the exact fastener the connector schedule was designed around.

Common Questions

• What is this screw designed for? It is designed for fastening certain approved Simpson Strong-Tie stainless-steel connectors to wood.
• Can it replace nails? Yes. Simpson states this screw is specifically designed to replace nails in certain approved connector applications, and the single-fastener load capacity of the #9 SD SS exceeds a 10d common nail.
• What drive does it use? It uses a 1/4 inch hex drive with a hex head and integrated washer.
• Is it suitable for exterior use? Yes. It uses Type 316 stainless steel and is listed for exterior use, making it a strong option where corrosion resistance is important.