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Low air pressure Water well Deep Hole Rotary Pneumatic CIR 90 DTH hammers

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  • Cir90-90mm Low Air Pressure Dth Hammer Bit from China ...

    Low air pressure DTH hammer CIR type 5 ~22 50~180 CIR** 55~200 820 rpm Middle air pressure BR & COP type 10~30 70~110 85~115 3 inch DTH hammer COP34/QL30 etc 24.5 81 API 2 3/8' Reg 90~110 28Hz (at 17 bar) 28 r/min 4 inch DTH hammer COP44/DHD340 etc 39.2 99 API 2 3/8' Reg 110~150 27Hz (at 17 bar) 25~40 r/min 5 inch DTH hammer

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  • DTH hammers - superdrill.com.cn

    The optimum range of hole size for blast drilling with DTH is 90mm to 254mm, smaller blast holes are generally drilled using top hammer, and larger holes generally use rotary machines. Our hammer like COP and QL are known fort heir reliability and longevity. 1-12 inch middle-low/high air pressure DTH hammer & bit Big hole high air pressure DTH ...

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  • China High and Low Air Pressure

    DTH Bit-COP32-90 for deep hole water well and large diameter surface hole drilling. DTH Drill Bits are produced from premium quality nickel-alloy steel for increased durability and wear characteristics. Specific heat treatment standards and special “stress relief” processes ensure consistent performance. DTH hammer bits are designed for ...

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  • DTH hammer - superdrill.com.cn

    Rock Drill DTH Hammer for Water Well General Introduction: It is a kind of high air pressure DTH Hammer without foot valve and without valve, our newest design. It is also one of the most advanced DTH Hammers in the world. We manufacture DTH Hammers in different sizes ranging from 1 to 12.

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  • Deep Hole Rotary Pneumatic Drilling Down The Hole

    China Dth Hammer manufacturers - Select 2021 high quality Dth Hammer products in best price from certified Chinese Rock Drill, Drilling Rig suppliers, wholesalers and factory on Made-in-China.com, page 6

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  • DOWN-THE-HOLE(DTH) BITS - ProDrill

    China High Air Pressure Dht Drill Bit Deep Hole Rotary Pneumatic Drilling Bit, Find details about China Drill Bit, Rock Bit from High Air Pressure Dht Drill Bit Deep Hole Rotary Pneumatic Drilling Bit - Zhuzhou Changhong Mining Machinery Co., Ltd.

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  • Rock Drill DTH Hammer for Water Well - China DTH

    CIR110 150mm DTH Low Air Pressure Hammer Button Bits, Find Details about Carbide DTH Button Bit, Tungsten Low Air Pressure Drilling Bits from CIR110 150mm DTH Low Air Pressure Hammer Button Bits - TAIZHOU CITY KAIYU METALLURGY MACHINES & TOOLS CO., LTD.

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