Product Introduction The 48mm Tapered Button Bit is a percussive rock drilling tool specifically engineered for handheld pneumatic or light hydraulic rock drilling equipment. Its tapered shank design utilizes a conical self-locking connection — commonly available in 6°,7°, 11°, and 12° standard taper angles — that eliminates the need for external clamping chucks while delivering reliable torque transmission under high-frequency impact loads. The 48mm diameter body, combined