Concrete Drilling Bit with 50mm 5 Ball-Tooth Tapered Bore

Concrete Drilling Bit with 50mm 5 Ball-Tooth Tapered Bore. High Quality Materials: Made from high grade steel and high grade tungsten carbide inserts for durability. Precise Taper Design: Accurate taper degree perfectly matches drill rods for reliable performance. Advanced Manufacturing: Processed using state-of-the-art CNC machinery and mature welding technology. Strict Quality Control: All spare parts are inspected strictly before shipping with 100% inspection. Fast Response Time: Sales team responds to questions within 24 hours, excluding holidays. Flexible Customization: Supports OEM and ODM services with flexible customization options. Wide Application: Suitable for granite and marble quarries, gold mines, railways, and tunnels. Experienced Manufacturer: 23 years of specialization in drilling tools with advanced technology.