General description This high-performance IRWIN® Speedhammer Plus Drill Bit is specifically designed for use with SDS percussion drills. It excels in drilling into various materials such as brick, block, masonry, concrete, and granite, providing exceptional speed and efficiency. Technical specifications Diameter: 12.0 mm Total length: 460 mm Working length: 400 mm Measurement unit: pieces Support: SDS Plus Compatibility and accessories Compatible with SDS Plus percussion drills Installation Insert the drill bit into the SDS Plus chuck of your compatible percussion drill Ensure it is securely fitted before use Usage Use for drilling into concrete, especially uncured concrete Apply steady pressure during drilling for optimal results Remove dust and debris regularly to maintain efficiency Other information The patented single flute design ensures efficient dust removal and lower vibrations Features a patented extra-short drill bit head for enhanced durability and speed Contains 25% more