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beijing,China
All Products
11° Hex Tapered Hardened Drill Rod , Shank Tungsten Carbide Drilling Rods
12° Hex Tapered Drill Rod Shank with CNC milling 25 mm x 159 mm
7° Taper Hex Drill Extension Rod Wear Resistance For Mining Industry
11 Degree Hex Tapered Drill Rod Rock Drilling Tools Chromium Molybdenum Steel
7° Coal Mining Shank 22 mm x 159 mm Rock Hex Rock Drill Rod
CNC Milling Tapered Drill Rod