General description The IRWIN® Speedhammer Quad Drill Bit is specifically designed for drilling precise plug and anchor holes in masonry, stone, and concrete. Its innovative 4-cutter geometry ensures a more concentric hole, providing optimal fixing retention. The full head carbide tip guarantees high durability and a long service life, while the unique bonding system connects the carbide head to the spiral flute, enabling faster dust removal and increased drilling efficiency. Engineered grooves reduce friction, resulting in higher speed and extended tool life. Manufactured in Germany from premium steel, this drill bit meets PGM standards for anchor fixing. Technical specifications Diameter: 14mm Overall Length: 210mm Working Length: 150mm Compatibility and accessories Compatible with SDS drill chucks Installation Insert the drill bit into an SDS-compatible drill chuck Ensure the bit is securely fitted before use Usage Use for drilling holes in masonry, stone, and concrete surfaces