Germany's DreBo four-groove cement drill bit has efficient chip removal and wear resistance. Its superior cutting ability and durability ensure fast and efficient construction, making it an ideal choice for professionals.

Product Features:

• Germany DreBo four groove cement drill bit, four groove cement drill tail
• The super-hard alloy cutter head is connected by hot copper welding, which is hard, impact-resistant and has a low wear rate.
• U-shaped groove design facilitates chip removal
• Carbide tip, best suited for use with a zero-effort four-groove hammer drill

Specifications:

Directions:

• Before drilling deep holes, you must pre-drill the shorter intermediate length holes of the same specification, and withdraw the drill bit every 10 seconds to allow heat dissipation.
• Maintain a steady pressure when drilling and remove the drill bit from the hole frequently to remove debris. Use a slow speed to drill harder materials to extend the life of the drill bit.
• It is recommended to use a 4 kg hammer drill for drilling holes in B50 cement concrete