T51-89 Threaded Button Bit
Rock drilling tools factory ProDrill manufactures high quality rock drill bits, one of t he most important size for benching and long-hole drilling underground is T51 Threaded Button Bit. Diameter: 76mm, 89mm, 102mm. Skirt body: retrac, and normal, straightrac. Face type: flat, uniface, Drop Center. Carbide shape: Dome, ballistic, semi-ballistic
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