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Masonry Anchors
Double Expansion Anchors
The Double Expansion Shield is internally threaded to be used with a machine bolt. It installs flush with the surface and is ideal for static or vibratory loads. The anchor’s expansion takes place throughout its entire body, thereby providing an exceptional holding power. Note: Not recommended for overhead sprinkler systems in California. Available in 1/4", 5/16”, 3/8”, 1/2", 5/8” and 3/4".
Features and benefits
- Internally threaded for machine bolt
- Installs flush with surface
- The expansion takes place at the bottom half of the body
- Good for static or vibratory loads
- Corrosion resistant
Installation Tools
Mounting Surface
Applications
- Electrical boxes
- Railings
- Sewage pipes
Installation Guide
1. Drill a pilot hole into material.
2. Insert the Double Expansion Shield into material.
3. Insert bolt through object you need to afix and insert into the Double Expansion Shield.
4. Using a wrench, screw clockwise until there is a firm resistance.Technical Specifications
| SKU | Description | Anchors Per Pack | Safe Load Weight (Ibs) | Drill size | Min embedment | Packaging |
|---|---|---|---|---|---|---|
| 310C | DOUBLE EXPANSION SHIELDS 1/4" (X50) | 50 | 396 | 1-5/16'' |
|
|
| 311C | DOUBLE EXPANSION SHIELDS 5/16" (X50) | 50 | 510 | 5/8" | 1-1/2'' |
|
| 312C | DOUBLE EXPANSION SHIELDS 3/8" (X50) | 50 | 898 | 3/4" | 1-1/2'' |
|
| 313C | DOUBLE EXPANSION SHIELDS 1/2" (X25) | 25 | 1336 | 2-1/16'' |
|
|
| 314C | DOUBLE EXPANSION SHIELDS 5/8" (X20) | 20 | 2678 | 1" | 2-5/8'' |
|
| 315C | DOUBLE EXPANSION SHIELDS 3/4" (X10) | 10 | 3641 | 1-1/4" |
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