IKODM 350mm Round Shank Concrete Drill Bit sds Plus Concrete Saw Hole Cutter Cement Stone Wall Drill Bit with 30/40/50mm Expansion(Silver)

Professional Drill Bit Set: This comprehensive drilling kit contains three high-performance drill bits (30 mm, 40 mm, and 50 mm diameters) with matching SDS Plus chucks, precision tungsten carbide guide bits, and a robust 350 mm extension bar. This set is specially designed to produce clean, accurate holes in a variety of masonry applications. Versatile Masonry Applications: Ideal for drilling through brick walls (solid and hollow), concrete block, red brick, aerated concrete, and lightweight masonry structures. Perfect for installing air conditioning pipes, ventilation systems, washing machine drains, and other domestic or building penetrations. Important Usage Instructions: Designed exclusively for masonry materials; never use on steel, tile, natural stone, or reinforced concrete. Carbide tips require adequate cooling; Always use water when drilling to avoid overheating and premature wear. Advanced Cutting Technology: Features brazed tungsten carbide teeth with reinforced welded