The SDS Max Drill Bit (4 Cutter, 520x400x28) is a heavy-duty drill bit designed for use with SDS Max rotary hammers. The 4-cutter design provides enhanced performance by offering faster and more efficient drilling, especially in tough materials like concrete, stone, or masonry. The 520mm length allows for deep drilling, while the 400mm usable length and 28mm diameter ensure it can handle larger holes. The SDS Max shank ensures a secure, vibration-reducing fit with the tool, improving comfort and control. Ideal for construction, demolition, and masonry work where precision and power are needed.