Heli-Tie™ Helical Wall Tie
The Heli-Tie™ is a stainless-steel helical tie used to anchor building façades to structural members or to stabilize multiple-wythe brick walls.
The helical design allows the tie to be driven quickly and easily into a predrilled pilot hole (or embedded into mortar joints in new construction) to provide a mechanical connection between a masonry façade and its backup material or between multiple wythes of brick. As it is driven, the fins of the tie undercut the masonry to provide an expansion-free anchorage that will withstand tension and compression loads.
The Heli-Tie wall tie is installed using a proprietary setting tool that is used with an SDS-PLUS shank rotohammer to drive and countersink the tie. Heli-Tie wall ties perform in concrete and masonry as well as wood and steel studs.
Key Features
- Installs quickly and easily — with the rotohammer in hammer mode, the tie installs faster than competitive products.
- Provides an inconspicuous repair that preserves the appearance of the building. After installation, the tie is countersunk up to 1/2" below the surface, allowing the tie location to be patched.
- Larger core diameter provides higher torsional capacity, resulting in less deflection due to “uncoiling” under load.
- Fractionally sized anchor — no metric drill bits required.
- Patented manufacturing process results in a more uniform helix along the entire tie, allowing easier driving and better interlock with the substrate.
Material
Type-304 stainless steel (Type 316 available by special order—contact Simpson Strong-Tie for details)
Installation
- Drill pilot hole through the façade material and into the backup material to the specified embedment depth + 1" using appropriate drill bit(s). Drill should be in rotation-only mode when drilling into soft masonry or into hollow backing material.
- Position blue end of the Heli-Tie™ fastener in the installation tool and insert the tie into the pilot hole.
- With the SDS-PLUS rotohammer in hammer mode, drive the tie until the tip of the installation tool enters the exterior surface of the masonry and countersinks the tie below the surface. Patch the hole in the façade.
Test Criteria
CSA A370
Technical Information
Related Links
Related Literature
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2016 - 2017 Product Guide - Anchoring and Fastening SystemsS-A-PG16The 2016 Product Guide for Anchor & Fastening Systems provides information on adhesive and mechanical anchors, as well as direct fastening, carbide and restoration products.Product Guide -
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Safety Data Sheet for Mechanical AnchorsSDS-MechAnchors-NA-ENGIntended to provide information for use in workplace chemical management; information such as physical properties; hazards; protective measures; precautions for handling, storing, and transportation.SDS -
Ficha de Datos de Seguridad para Anclas MecánicasSDS-MechAnchors-NA-ESDiseñado para dar información útil en la gestión de químicos en el lugar de trabajo; p.ej. propiedades físicas; riesgos; medidas de protección; precauciones para manejo, almacenamiento y transporte.SDS -
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Product Information Tables
| Size (in.) | Model No. | Drill Bit Dia. (in.) | Quantity | |
|---|---|---|---|---|
| Box | Carton | |||
| 3/8 x 7 | HELI37700A | 7/32 or 1/4 | 50 | 400 |
| 3/8 x 8 | HELI37800A | 50 | 400 | |
| 3/8 x 9 | HELI37900A | 50 | 400 | |
| 3/8 x 10 | HELI371000A | 50 | 200 | |
| 3/8 x 11 | HELI371100A | 50 | 200 | |
| 3/8 x 12 | HELI371200A | 50 | 200 | |
| 3/8 x 14 | HELI371400A | 50 | 200 | |
| 3/8 x 16 | HELI371600A | 50 | 200 | |
| 3/8 x 18 | HELI371800A | 50 | 200 | |
| 3/8 x 20 | HELI372000A | 50 | 200 | |
