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DHD340 115mm convex face DTH drill bit for coal mine drilling

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  • DHD340 115mm Down The Hole Water Well Drilling Bits In ...

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    2020-8-14 · PD shank DTH drill bit with 115mm diameter, convex face, semi-ballistic dome carbide buttons for blasting bore holes, water well drilling.Rock drill bits Shank type ...

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    The SH DTH bit DHD360 series is developed using decades of drilling experience. All of our DTH bits can be ordered for all major down-hole drill pipe designs. DTH bit DHD360 is made of high quality alloy steel and cemented carbide (such as YK05) and has ...

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    DHD340 DTH-RH450-4in Convex face Ballistic button Applications: 1.Soft rock 2.Non Abrasive (Diameter 130mm 51/8inch, Weight 14.0Kg 31lb)

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    2020-2-11 · Other Shank and face design on request . DOWNHOLE DRILL BITS Specifications BR2 Shank CONVEX FACE – FLAT FACE Diameter No. x Buttons diameter mm Inch Air Holes Gauge Inner Front Cone Weight Kg 70 2 ¾” 2 6 x 10 3 x 10 2 x 10 2.3 76 3” 2 6 x 10 3 x 10 2 x 10 2.6 BR3 Shank CONVEX FACE – FLAT FACE

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    Coal Mining Drill Bit. Coal bits are mainly used in coal and mine drilling, have dry-type & wet-type.:: Dimension: 25, 27, 28, 29, 30, 32, 36, 42 mm.:

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    Rock Drill, Hammer Drill, Down The Hole Drill manufacturer supplier in China, offering DHD340 Cop44 115mm Down The Hole Hammer DTH Drilling Button Bits Manufacturers, Mission80 SD8 High Quality High Pressure Mining Down The Hole DTH Hammer for Water Well, Cop 1550 Ex Cop 1830 Ex Top Hammer Threaded Shank Adapters and so on.

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