About this item CONCRETE DRILL BIT: The drill bits are optimized for longetivity and precision in concrete. However they can also be used in brick, masonry, natural stone and marble. PGM CERTIFIED: Our drill bits are PGM certified to provide precise dowel holes. Being compliant with PGM ensures accurate and clean results even in tough conditions. DURABLE CARBIDE TIP: Crafted with a patented, high quality, durable carbide tip and engineered to withstand rigorous use, the drills maintain sharpness and strength to ensure precise and efficient results. Alpen 5 pcs Concrete Drill Bit Set - Versatile Hammer Drill Bit Sets for PGM Certified Precision and Precise Dowel Holes - Durable Drill bit for Concrete Natural Stones and Marble ALPEN: As Europe's only full source provider for drilling tools, we will provide you with the right drill bits for perfect results from our production in Austria. All of our products are known for their longevity and quality - making them a perfect addition to your toolkit. › See more product details