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Australia / NZ
- Load immediately – no cure time
- Wedge, sleeve, undercut, screw anchors
- Cracked concrete versions (ETA / ESR)
- Zinc, HDG or stainless
- Removable screw anchors
- Through-fixing installation
When to use
Mechanical anchors suit fixings that must be loaded at once, temporary works and light to medium loads with generous edge distance. Expansion anchors push against the hole wall, so they need more edge distance and spacing than bonded anchors.
Types
| Type | How it holds | Notes |
|---|---|---|
| Wedge (stud) anchor | Torque pulls a cone into an expansion clip | Common, through-fixing |
| Sleeve anchor | Sleeve expands along its length | Concrete and masonry |
| Undercut anchor | Mechanical interlock with an undercut | Highest mechanical loads |
| Concrete screw | Thread cuts into the concrete | Removable, close edges |
Standards and requirements by market
Codes World Steel designs, fabricates and documents this product to – and the key geometric and load requirements in each market.
Europe
- EN 1992-4Design of fastenings
- EAD 330232Mechanical fasteners for concrete
United States
- ACI 318-19 Ch. 17Anchoring to concrete
- ACI 355.2Qualification of mechanical anchors
Summary for orientation only – the project specification, the adopted code edition and the authority having jurisdiction govern.
Finishes
| Finish | Standards / notes |
|---|---|
| Zinc | ISO 4042 |
| Stainless | A4 |
