Hollow Drills  Manufacturers, Traders, Suppliers

* Suitable for hammer drills in the class above 5 kg with SDS-max receptacle or 2-slot locking

• The Projahn hammer hollow core drill bit with integrated SDS-max receptacle shaft is the answer to the improved performance profiles of modern hammer drills
• The high impact energy of the hammer drill is optimally transferred to the carbide cutting edges by the dynamically shaped shaft
• The wide range of diameters from 40 to 150 mm in 2 shank lengths offers a multitude of new application possibilities
• Robust, one-piece, smooth-running hollow drilling tool for heavy continuous use in concrete and other building materials
• Aggressive drill bit crown, equipped with symmetrically distributed, sharp special teeth made of DC quality tungsten carbide. Rapid drilling progress through direct conversion of the impact energy

We offer our customers a wide range of services and products. Our speciality is the manufacture or machining of everything from drill bits and bandsaw blades to dental tools. With our diamond tools the customer can process all materials such as steel, natural stone, graphite, concrete, asphalt, glass, plastic and GFK.