QL50-146mm DTH Bits,dth hammer bits ... - Rock
QL50-146mm Concave Face DTH Hammer Bit with Dome Carbide Inserts. COP shank DTH drill bit with flat face, 15 dome carbide buttons for blasting bore holes, water well drilling. COP shank DTH hammer bit with flat face, 15 dome carbide buttons for blasting bore holes, water well drilling. For more details please watch PDF online:
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