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twist coal drill rod

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Mining / Water Well DTH API Drill Pipe Customized Color In Oilfield JCDRILL DTH Drill Pipe Description This DTH drill pipe, the shortened form of down the hole drill pipe, is a ...
Beijing, china
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Integral drill steel rod is used by a hand held drill machine in underground mining and for small hole drilling, equipped with small power rock drills, like air leg rock drills, ...
Beijing, china
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Double Motor Lifting Force 50KN Hydraulic Crawler Drills With High Rotation Speed SM-300 Hydraulic crawler drills SM-300 Hydraulic crawler drills - Technical specifications   EURO ...
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Earth Cutting Tools Drilling Rod Interlocking and Friction Kelly Bar *3 - 6 telescopic tube for drilling depth from 10 - 150 m *Torque transfer capacity 30 - 500 kN.m *Drilling ...
Beijing, china
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Borehole Exploration Drilling PDC Drag Bit PDC Drill Bit for Soft Formation Description PDC drag drill bit is mainly used for coal mine geology, rotary drilling for underground gas ...
Beijing, china
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Factory price drill pipe protectors flexible joint pipe water pipe The drill pipe,the shortened form of down the hole drill pipe, is a kind of outer flat drill rod. It is mainly ...
Beijing, china
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T38 Threaded Extension Rod Round 4 Feet (1220mm) Long With Integrated Carburizing 1. T38 Extension Rod round 4 Feet Thread: T38 Length: 4 feet (1220mm) Have to wrench flat P...
Beijing, china
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89mm Friction Welding Stainless Steel Rock Blasting Drilling Pipe with API REG Thread Application This DTH drill pipe, the shortened form of down the hole drill pipe, is a kind of ...
Beijing, china
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Screwing Button Drilling Bits 27mm - 32mm with Tungsten Carbide Insert We can manufacture all kinds of bits and shells according to customer's special requirement. Advantage: 1...
Beijing, china
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H25 For Minning and Quarring Customized Specification Threaded Drill Button Bit Product Specification Miroc H25 Thread System affords drillers the ability to change drilling bits ...
Beijing, china
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BQ NQ HQ PQ AQ Hot Selling wireline core drill rod / drill pipe core barrel Coring barrel is a section of tube in coring drilling, it is attached to the upper part of the drill bit ...
Beijing, china
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R28 Drifter Rod Hex28 length2400mm With Excellent Wear Resistance for drifting and tunneling Product Description Product R28 Drifter Rod Diameter 28mm Length 2400mm Weight 12.2KG ...
Beijing, china
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Description Drill rod using R25 thread system. With R32 thread on one shank end. Suited for short hole drilling operations. • R28 thread system • Suitable for small hole range ...
Beijing, china
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Chisel Bit H22 Hexagonal Drill Extension Rod 22 mm x 108 mm Description The H22 Integral drills steels, H22 x 108 mm shank, are the most common type within the Dimensional Stone ...
Beijing, china
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7/11/12 Degree Tungsten Carbide Tapered Button Drill Bit For Rock and Mining Coal Drilling Describtion 1.Product Name:tungsten carbide taper button drill bits. TypesTapered chisel ...
Beijing, china
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7° 11° 12° Tapered Rock Drilling Tools Small Hole Drill Button Bit Our Advantages: 1.Tapered button bits connect with tapered drill rod perfectly for drilling holes 2.Stable and ...
Beijing, china
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Taper 11 Degree 38mm Button Bit Taper: 11 Degree Diameter: 38mm Drill Bit Type: Button Bit Skirt: Short Skirt Buttons: front 2x7mm, gauge 5x7mm, Flushing hole: 1 front flushing ...
Beijing, china
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TC15-20 Tungsten Carbide Chisel Drill Bit for Small Hole Hard Rock Drilling Applications • Underground mining • Dimensional Stone Industry • Tunneling,quarrying Feature 1. Tapered ...
Beijing, china
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Bench Drilling Tungsten Carbide R32 Crossover Drill Coupling Sleeve Description Coupling sleeves are available with both half-bridge and full-bridge types, as well as adapter ...
Beijing, china
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Taper Knock off 7 Button Drill Bit , 11 Taper Degree Dth Hammer Bit 32mm 36mm 38mm Feature of Taper Button Bit 1. tapered button bits connect with tapered drill rod for drilling ...
Beijing, china
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