Hollo expansion bolts
Expansion bolts for structural steel
Hollo-Bolt is a fantastic expansion bolt for use fixing square steel pipes or for fixing on steel which cannot be accessed from one side and does not permit use of nuts and screws. Hollo-Bolt is a CE approved product which has been tested in a variety of different settings and applications. Hollo-Bolt is produced in numerous variants measuring M8 to M20, from 4 to 35 kN, available in 4 different types using different screws. In Italy the Hollo-Bolt was used to build Roma Tiburtina railway station and architect Massimiliano Fuksas’ Cloud, also in Rome. The Hollo-Bolt has been used in countless buildings all over the world, thanks to its high quality and numerous certifications.