tungsten carbide tapered drill bit, tungsten carbide ...
Tapered Drill Bits connect tapered drill steel of rock drill for drilling holes: Material: High quality carbide and high quality steel: MOQ: 5pcs: We can design and manufacture according to your requirement of diameter, number air holes and carbide button shape. Types of drill bits: Diameter (mm) Taper Angle (Degree) Length (mm)
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