Taper Bit suppliers Parameters: - Diameter range: 34mm to 44mm - Taper degree: 4.46掳, 6掳, 7掳, 11掳, 12掳 - Material: Tungsten carbide, steel Functions: - Excavating hard rock formations - Creating boreholes and access tunnels - Removing debris and waste from excavation sites Features: - Durable and long-lasting - High speed and efficiency - Allows for precise drilling in various types of rocky...