General description This IRWIN® Speedhammer Quad Drill Bit is designed for drilling in masonry, stone, and concrete. It features a 4-cutter geometry that produces more concentric holes for better fixing retention. The full head carbide tip ensures high durability and long service life, making it ideal for creating plug and anchor holes with precision and efficiency. Technical specifications Diameter: 16mm Overall Length: 250mm Working Length: 200mm Compatibility and accessories Compatible with SDS drill chucks Installation Insert the drill bit into an SDS-compatible drill chuck Ensure it is securely attached before use Usage Use for drilling holes in masonry, stone, and concrete Ideal for creating holes for plugs and anchors Other information Manufactured in Germany with premium steel Meets PGM standards for drill bits used for anchor fixing The unique bonding system connects the solid carbide head to the 4-flute spiral for efficient dust removal Specially engineered grooves minimize