Simpson CMST12 CMST 40 ft. 12-Gauge Galvanized Coiled Strap by Simpson Strong-Tie is a continuous coiled medium strap tie engineered to join and reinforce structural connections across a wide range of light-duty repairs and heavy-duty construction projects. Packaged as a 40 ft. coil, this strap is designed to be cut to length directly on the job site, offering maximum flexibility for floor-to-floor uplift resistance, horizontal tension applications, and double 2x stud or post assemblies. Manufactured from 12-gauge steel with a G90 galvanized coating for enhanced corrosion resistance, the CMST12 delivers a versatile, cost-effective solution for contractors and builders who need reliable performance in varied connection scenarios.

Key Features

• Provides nail slots for easy installation
• Can be cut to length
• Staggered nail pattern
• Length: 40 ft.
• Made from 12-gauge steel
• Galvanized (G90) for extra corrosion resistance
• Designed and packaged to be cut to length on the job site
• Suitable for use on the wide or narrow face of lumber
• Compatible with back-to-back installation on lumber without fastener interference

Specifications

• Manufacturer: Simpson Strong-Tie
• MPN: CMST12
• Length: 40 ft.
• Gauge: 12
• Coating: Zinc Galvanized, G90
• Finish: Zinc Galvanized, G90
• Install With: Install with 10d or 16d common nails
• Country of Origin: United States

Approved Applications

• Resisting uplift in floor-to-floor applications
• Resisting tension in horizontal applications
• Double 2x stud or post connections
• Light-duty repairs and heavy-duty structural projects
• Roof uplift resistance
• Shearwall overturning resistance
• Wide or narrow face lumber connections

Frequently Asked Questions

Can the CMST12 be cut to a custom length on the job site?

Yes. The CMST12 coiled strap is specifically designed and packaged to be cut to length on the job site, giving installers the flexibility to tailor each piece to the exact requirements of the connection being made.

What fasteners are required to install the CMST12?

The CMST12 should be installed with 10d or 16d common nails. The strap features nail slots and a staggered nail pattern to simplify installation and ensure a secure, code-compliant connection.

What type of corrosion protection does the CMST12 have?

The CMST12 is coated with a Zinc Galvanized G90 finish, which provides extra corrosion resistance, making it suitable for use in environments where moisture exposure is a concern.

Can the CMST12 be installed back-to-back on a piece of lumber?

Yes. Like other Simpson Strong-Tie straps and plates in this line, the CMST12 is designed to be used back-to-back on a piece of lumber without fastener interference, supporting more demanding structural connection requirements.

Note: Product dimensions and/or screw or bolt holes may differ from picture. Please see item description for specifications.