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CHANGZHOU SOOD TOOLS CO., LTDHexagonal Tapered Drill Rod Hex. 7 Degree H25 108mm for Small Hole Drilling
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Hebei Langben Building Materials Co., LtdDrilling Equipment 7 Buttons 32mm Tapered Drill Bit Button Bit
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Tianjin Baptech Machinery Co., Ltd.Drilling Bit 12 Degree 7 Buttons 34mm Button Bit for Drilling Rig Machine
Tianjin Baptech Machinery Co., Ltd.