Projahn Projahn 818340 Hammer Drill Bit Rocket 5 Diameter 18 x 340 mm - 8310210 Precise concentricity Long service life. High-quality tempered steel. Superior lace Also suitable for hard materials. The Projahn Rocket 5 hammer drill bit with SDS-Max tool holder is suitable for concrete, natural stone and masonry. Thanks to its superior tip, the drill offers precise drilling without runing, a high smoothness, particularly precise concentricity and optimal guidance in the drill hole. The core-reinforced spiral ensures maximum breaking stability even under extreme stress, the 4 spiral drill body geometry guarantees reduced friction and quick removal of the drill dust. A very long service life is achieved thanks to the evenly distributed wear and low vibration to protect people and machines. The drill bit is made from a high-quality, tempered steel specially selected for the toughest applications, so the 5 crushers with impact and torsion create maximum drilling speed and ultimate destruction. The wear mark shows whether the tool is still suitable for drilling dowel-compatible holes. Box contents: 1 x hammer drill. Projahn - We stand for the highest quality standards. PROJAHN Präzisionswerkzeuge GmbH is a medium-sized international trading company in the tool industry with a pronounced customer and service orientation. We produce and distribute professional tools for professional users from trade and industry. Our success is based on our quality products and services as well as highly motivated employees who professionally, purposefully and successfully shape the company growth.