Bosch 5/8 In. x 21 In. Spline SpeedX™ Rotary Hammer Bit is designed to deliver exceptional performance and durability for concrete and masonry drilling. Bosch integrates constant innovation with custom-manufactured carbide and advanced diffusion bonding technology to ensure superior strength and longevity. The SpeedX™ feature high precision and efficiency, making it i for anchoring and drilling applications where accuracy and reliability are critical. Model Number: