Drilling Tool PDC Core Drill Bit for Geological Core Drilling
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Maxdrill Rock Tools Co., Ltd.3PC Titanium Coated HSS Step Drill Bit Set
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Hejian City Feilong Retop Rock Bit Manufacture Co., Ltd12 1/4'' 311mm Diamond PDC Drill Bit, Oil Rig
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Changsha Heijingang Industrial Co., Ltd.2 Flute CNC Tungsten Carbide Coolant 3D Tialn Coating Twist Drill Bit for Matel Stainless Steel
CHANGZHOU AITEFASI TOOLS CO., LTD.Tct Magnetic Drill Annular Cutter 35mm Cutting Depth with Weldon Shank
Hangzhou Anka Cemented Carbide Tools Co., Ltd.High-Performance Hex Vacuum Brazed Diamond Drill Bit Set for Precision Drilling
QUANZHOU ZHUOSHI SUPERHARD TOOL CO., LTD.Rock Reamers for HDD/Trenchless/No Dig, Hole Openers with Roller Cone Palm / Single Roller Cone Bit
HEJIAN YINHAI ROCK BITS MANUFACTURE CO., LTD.Goldmoon 2022 New Customized All Are Available China Cutting Tools Drill Sizes Bit
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Nanjing TOOLJOY Hardware Technology Co., Ltd.Colour Ring and S2 Material Screw Bit
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Jiangsu Borui Tools Co., Ltd.