These are the most commonly used climbing anchors in South Africa. When the hexagon nut is tightened, the tapered bolt is pulled into the expansion clip and expands it against the hole wall. EXA A4 made of stainless steel of the corrosion resistance class III, e.g. A4, for outdoor use and in damp conditions (no approval).
Advantages and benefits:
- A double-clip method that has been tried and tested millions of times gives double security;
- Minimum slippage due to powerful expansion when tightening.