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Perforated bolts in galvanized steel on Oliunìd. Here you can find the best perforated nails in galvanized steel to nail a climbing route, progression during a rescue maneuver, an artificial ascent. The nails are equipped with mono or double expansion. Raumer Climbing, Climbing Technology, Petzl and Fixe are our best brands.
Galvanized steel is a carbon steel with a zinc coating. The thicker the zinc layer, the more resistant the nail will be to corrosion. They do not last forever, they last as long as zinc is consumed while stainless steel lasts longer in the same corrosive environment.
