90-cir90mm dth bits manufacturers cir 90 bit low air pressure dth hammer and bit for mining and water well drilling
SPM65 CIR65 low pressure forging carbon steel ore mining drilling dth hammer drilling bit manufacturer for sale
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$32.00 - $38.00
Min Order: 1 piece
Shipping per piece: $27.98
SINODRILLS Multi Function Mining Drill Bit DHD340 DTH Hammer Drill Bit Diameter 110mm Manufacturers
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Min Order: 5 pieces
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