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Concave Drill Bit

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Diamond Concave Drill Bit

Diamond Concave Drill Bit

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DTH Concave Drill Bit 89mm 76mm DTH Hammer Button Bits

Product name:Button Bit DTH Hammer

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MOQ:200
133mm Coal Concave Drill Bit 3 Hole Button Bits Rock Drilling

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Tungsten Concave Drill Bit Carbide 6 Inch Dth Hammer Button Bits

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Use:water and oil well drilling
3 Blade Concave Drill Bit API Manganese Coal Mining

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Diamond Drilling Bit: PDC 6 Blade Diamond Drilling Bit Composite Rock Coring; 6 Blade Polycrystalline Sintered Diamond Drill Bits , Steel Polycrystalline Diamond Compact Bits; API Polycrystalline Diamond Bit 8 5/8in 6 Blades 65mm Button Rock Drilling

Directional Drill Bit: Curved TCI Coal Mining Drill Bit 9 1/2 Inch Water Well; API Directional Drill Bit Coal Mining 133mm PDC Well Drilling Bit; Tungsten Directional Drill Bit Carbide PDC 4 Blade Drill Bit

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