Perforated bolts in marine steel on Oliunìd. Here you can find the best marine steel drilling bolts to bolt a climbing route, arm a cave, progression during a rescue maneuver, work at height. The nails are equipped with mono or double expansion.
Raumer Climbing is our best brand. Raumer Climbing has created the so-called "Marine Line" which involves special treatments and finishes that significantly enhance the resistance to marine corrosion.