Simpson HELI371400A Heli-Tie® 3/8″ x 14″ Helical Wall Tie – 304 Stainless Steel
The Simpson Strong-Tie HELI371400A Heli-Tie® is a high-performance helical wall tie designed to anchor building façades to structural backup materials such as concrete block. Manufactured from 304 stainless steel, this wall tie delivers long-lasting service life and excellent corrosion resistance, making it ideal for exterior masonry repair and reinforcement applications.
3/8″ x 14″ Heli-Tie® Helical Wall Tie – Stainless Steel Façade Anchoring
Engineered for speed and reliability, the helical design allows the Heli-Tie® to be driven quickly into a predrilled pilot hole using an SDS-Plus rotohammer and the proprietary HELITOOL37A installation tool. This system provides strong mechanical anchoring while minimizing disturbance to existing masonry.
Key Features
- 304 Stainless Steel Construction: Provides excellent corrosion resistance and long-term durability.
- Helical Design: Allows fast installation with strong mechanical interlock.
- Designed for Façade Anchoring: Secures masonry veneers to structural backup materials.
- Tool-Driven Installation: Installs using an SDS-Plus rotohammer with the HELITOOL37A.
Common Applications
- Masonry façade repair and stabilization
- Anchoring brick or stone veneers to CMU backup walls
- Building envelope reinforcement
- Restoration and retrofit masonry projects
- Commercial and residential exterior wall systems
Installation Tips
- Drill a pilot hole through the façade and into the backup material to the specified embedment depth plus 1″.
- Use rotation-only mode when drilling into soft masonry or hollow backing materials.
- Drive the tie with an SDS-Plus rotohammer in hammer mode until countersunk, then patch the hole with a matching masonry hanger.
California Residents: WARNING








