alpen Carbide hollow brick drill professional brick, cylindrical shaft, diameter 8 mm, L1 120 mm, L2 80 mm. The special drill from Alpen guarantees absolutely shatter-proof rotary drilling of hollow bricks. Its unique cutting edge geometry prevents the cavities from breaking out and creates geometrically exact holes for maximum hold of the dowels. ____________________Alpen professional tip: Alpen carbide hollow brick drill professional brick is not suitable for impact drilling. Alpen-Maykestag - Austrian manufacturer of quality tools for the professional. The market-leading, Austrian family business guarantees the trademarks Alpen and MAYkestag highest quality, productive customer solutions and best performance. Decades of experience in the development and production of drills and cutters led the family business to sales success in more than 70 countries around the world. Very high quality standards from raw material to service performance in customer processes inspire customers worldwide. Certified and strictly controlled, all Alpen drills and Maykestag tools are manufactured exclusively in Austrian high-end manufacturings. Every year, 37 million drills and tools are produced from Western European steel. Motivated and highly qualified employees, worldwide patents, international awards and best customer reviews motivate the Austrian company to continuous improvement. Guaranteed brand quality from Austria. Certified and tested. The high quality standard of the Alpen brand is confirmed by several certificates and international seal of approval. Made in Austria premium quality quality mark Austria certified qualityTÜV AustriaEN-ISO 9001 safe PGM tested alpen. drills for professionals