Rock drilling tools factory ProDrill manufactures rock drill bits: T51 Threaded Button Bit is the most important size for benching and long-hole drilling underground Code No.: Q13-102-T51 Thread: T51 Diameter: 102mm Gauge Buttons: 8*13mm Front Buttons: 5*13mm Skirt Design: Standard Face Design: Uniface Carbide Design: Semi-Ballistic
Diameter: 76mm, 89mm, 102mm Skirt body: retrac, and normal, straightrac Face type: flat, uniface, drop center Carbide shape: Dome, ballistic, semi-ballistic Used in bench drilling, underground long hole drilling to match extension drill rod, drifting drill steel heavy duty top hammer.
T51 Threaded Drill Bit with uniface design.
T51-89-13button uniface bit , normal body , carbide size : 13mm*13
13 Semi-Ballistic Buttons, 89mm Diamter, T51Thread with Uniface, Standard body Top Hammer Bit to match with extension drill rods for bench drilling and underground long hole drilling.
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