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Rock Drill Tools Hollow Rod with thread bits
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Good quality Hexagonal Hollow Drill Rods in China
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Hollow drill steel shoulder drive drilling tools drill rods
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Tapered Rock Drill Tools 7 /11/12 Degree Taper Rod
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High Quality H22*108 L800-7000mm Tapered Drill Rod
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7, 11 and 12 degree taper, H22 and H25, 108mm shank tapered drill rod
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600mm to 6000mm Hex Tapered Tools Tapered Drill Rod for Quarrying
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Mining rod 108mm shank H22 H25 taper 7 taper 11 taper 12 hexagon drill rod
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7 degree H-22-108mm tapered rock drill rod
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Hex22 High performance taper drilling rods for mining quarrying tunnelling
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H22 Rock Bits Hole Drilling Tapered Tools of Drill Rods Tapered Drill Rods
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Mining Tapered Drill Rod Hex19mm Tapered Drilling Rod