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drill extension rod

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Ql50-146mm Dth Button Bits Hammer Hard Rock Drilling
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QL50-146mm Dth Hammer Hard Rock Drilling Button Bit DTH Bit DTH bit is also our main product. After mang years search, we have rich experience in development and manufacturing high quality products, which ... Read More

2023-03-28 14:10:46

Water Well Mining Dth Drill Bits Dhd360-165mm
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Water Well Drilling Mining DHD360-165mm DTH Hammer Drill Bit DTH Bit DTH bit is also our main product. After mang years search, we have rich experience in development and manufacturing high quality products, ... Read More

2023-03-28 14:09:45

Water Well Mining Dth Drill Bits Dhd360-165mm
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2025-02-20 17:39:13

3 Inches DHD3.5 90mm Dth Button Bit For Down The Hole And Water Well Drilling
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3 Inches DHD3.5 90mm Dth Button Bit For Down The Hole And Water Well Drilling DTH Button Bits DTH bit is the tool cutting rocks, and subject to severe stress from the striking piston as well as from the ... Read More

2025-03-10 16:14:09

DTH Hammer Reaming Bits Tungsten Carbide Inserts Oil Well Hole Opener Drill Bit
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DTH Hammer Reaming Bits Tungsten Carbide Inserts Oil Well Hole Opener Drill Bit Product introduction Hammer size: 3.5~4 5~8 10~12 Hammer Shank Style: DHD3.5, QL30, COP34, DHD340A, SD4, Mission40... Guide ... Read More

2025-03-10 16:15:59

133mm Casing OD DTH Drill Bits Double Head Rotary Percussive Casing Systems
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DTH Bits Double Head Rotary Percussive Casing Systems Crown Ring Bit PRODUCT SPECIFICATION Drill Bits: Crown Ring Bits Inner Bits Casing OD Bit OD Thread Bit Diameter Thread mm inch mm inch mm inch 118 4 5/8 ... Read More

2020-05-06 14:48:26

T38 485mm Drill Shank Adapter Striking Bars Connect Drill Rod with Rock Drills
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T38 485mm Drill Shank Adapter Striking Bars to Connect Drill Rod with Rock Drills Our shank adaptors ensure a quality drill string interface to the most exacting industry tolerances. Built to seamlessly ... Read More

2022-04-13 14:40:08

T45 70mm 76mm Spherical Threaded Button Rock Drill Bits
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Description T45 button bits are widely used in Bench drilling, underground long hole drilling to match extension MF rod, MM rod heavy duty top hammer Drilling. Our offers a complete selection of Top Hammer ... Read More

2022-03-15 16:40:35

T51 89mm Button Drill Bit Tungsten Carbide / 14 Buttons Threaded
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T51 89mm Tungsten Carbide Drill Bits / 14 Buttons Threaded Button Bits Product Description Thread Button bits are made by alloy steel bar of quality and tungsten carbides. Through heat treatment, our drilling ... Read More

2025-03-11 10:02:37

T51 89mm Button Drill Bit Tungsten Carbide / 14 Buttons Threaded
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2025-03-11 10:02:39

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