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  • Factory Free sample Dth Hammer Exporter - Concentric casing system with wings – Spark

    Factory Free sample Dth Hammer Exporter - Concentric casing system with wings – Spark

    Application Applicable for land surface covered, with loose material such as soil, clay, weathered rock sand. Component parts Operation procedure Step1: When drilling starts, the system drives the casing shoe and casing tube move down. Step2: When reaching the bedrock, lift up the block system, the blocks will closed, reverse rotation and pull out the block system from the hole. Step3: If the hole have reach the desired depth, finish the drilling and continue other ...
  • New Arrival China Tungsten Drill Bit Set - Concentric casing system with wings – Spark

    New Arrival China Tungsten Drill Bit Set - Concentric casing system with wings – Spark

    Application Applicable for land surface covered, with loose material such as soil, clay, weathered rock sand. Component parts Operation procedure Step1: When drilling starts, the system drives the casing shoe and casing tube move down. Step2: When reaching the bedrock, lift up the block system, the blocks will closed, reverse rotation and pull out the block system from the hole. Step3: If the hole have reach the desired depth, finish the drilling and continue other ...
  • Manufacturer of Dth Hammer Rental - Concentric casing system with blocks – Spark

    Manufacturer of Dth Hammer Rental - Concentric casing system with blocks – Spark

    Application Piling, anchoring, foundation Component parts Operation procedure Step1: When drilling starts, the system drives the casing shoe and casing tube move down. Step2: When reaching the bedrock, lift up the block system, the blocks will closed, reverse rotation and pull out the block system from the hole. Step3: If the hole have reach the desired depth, finish the drilling and continue other process. Step4: If you still want to drill deeper, use the conventi...
  • 8 Year Exporter Dth Drilling Pipe - Reverse circulation hammer – Spark

    8 Year Exporter Dth Drilling Pipe - Reverse circulation hammer – Spark

    Working principle Compressed air flows into the annular space of the double wall drill pipe, then into the RC hammer, and reach to the bottom of the hole, and carries the cuttings out off the hole through the sample tube of the RC hammer, and back to the ground by the inner pipe of drill pipe.  Common drill pipe Accurate sampling; Compared with conventional drilling tools,RC tools flush cuttings inside the pipe with small resistance to effect; Special custom made alloy steel is...
  • China OEM Dth Bit Manufacturer - Concentric casing system with blocks – Spark

    China OEM Dth Bit Manufacturer - Concentric casing system with blocks – Spark

    Application Piling, anchoring, foundation Component parts Operation procedure Step1: When drilling starts, the system drives the casing shoe and casing tube move down. Step2: When reaching the bedrock, lift up the block system, the blocks will closed, reverse rotation and pull out the block system from the hole. Step3: If the hole have reach the desired depth, finish the drilling and continue other process. Step4: If you still want to drill deeper, use the conventi...
  • Super Purchasing for Mincon Dth Hammer - 8″ DTH Hammer DHD380 QL80 SD8 Mission80 Shank  – Spark

    Super Purchasing for Mincon Dth Hammer - 8″ DTH Hammer DHD380 QL80 SD8 Mission80 Shank – Spark

    Specifications Brand Name SPARK Product model DHD380 QL80 SD8 Mission80 Application Mining, quarry, water well, geothermal well,piling, foundation, slope reinforcement Thread API 4 1/2″Reg Pin Outer diameter 185mm Shank DHD380 QL80 SD8 Mission80 Hole size 203~254mm (standard)>254mm (oversize) Air pressure Max 30bar Air consumpation 28m³/min(18Bar) Rec. rotary speed 25~50 rpm Weight 179kg~182kg ITEM DESCRIPTION NO PART LIST 1 TOP SUB (can add...
  • OEM/ODM Factory Drilling Odex System - Reverse circulation hammer – Spark

    OEM/ODM Factory Drilling Odex System - Reverse circulation hammer – Spark

    Working principle Compressed air flows into the annular space of the double wall drill pipe, then into the RC hammer, and reach to the bottom of the hole, and carries the cuttings out off the hole through the sample tube of the RC hammer, and back to the ground by the inner pipe of drill pipe.  Common drill pipe Accurate sampling; Compared with conventional drilling tools,RC tools flush cuttings inside the pipe with small resistance to effect; Special custom made alloy steel is...
  • Factory selling Low Pressure Down The Hole Hammer - Reverse circulation hammer – Spark

    Factory selling Low Pressure Down The Hole Hammer - Reverse circulation hammer – Spark

    Working principle Compressed air flows into the annular space of the double wall drill pipe, then into the RC hammer, and reach to the bottom of the hole, and carries the cuttings out off the hole through the sample tube of the RC hammer, and back to the ground by the inner pipe of drill pipe.  Common drill pipe Accurate sampling; Compared with conventional drilling tools,RC tools flush cuttings inside the pipe with small resistance to effect; Special custom made alloy steel is...
  • China wholesale Down The Hole Hammer Drill - Concentric casing system with wings – Spark

    China wholesale Down The Hole Hammer Drill - Concentric casing system with wings – Spark

    Application Applicable for land surface covered, with loose material such as soil, clay, weathered rock sand. Component parts Operation procedure Step1: When drilling starts, the system drives the casing shoe and casing tube move down. Step2: When reaching the bedrock, lift up the block system, the blocks will closed, reverse rotation and pull out the block system from the hole. Step3: If the hole have reach the desired depth, finish the drilling and continue other ...
  • High Quality for Dth Bit Grinder - Concentric casing system with wings – Spark

    High Quality for Dth Bit Grinder - Concentric casing system with wings – Spark

    Application Applicable for land surface covered, with loose material such as soil, clay, weathered rock sand. Component parts Operation procedure Step1: When drilling starts, the system drives the casing shoe and casing tube move down. Step2: When reaching the bedrock, lift up the block system, the blocks will closed, reverse rotation and pull out the block system from the hole. Step3: If the hole have reach the desired depth, finish the drilling and continue other ...
  • Factory Price For Heavy Duty Dth Hammer - Drill pipe – Spark

    Factory Price For Heavy Duty Dth Hammer - Drill pipe – Spark

    Common threads on our Drill Pipes Outer diameter (mm) Thread type 76 API 2 3/8 REG 89 API 2 3/8 REG,API 2 7/8 REG, NC26 102 API 2 7/8 REG, API 3 1/2 REG, NC31, DIBH 3 1/8 114 API 3 1/2 REG, NC31,NC38, DIBH 3 1/2, BECO 3″ 127 API 3 1/2 REG, NC38, BECO 3 1/2″ 140 API 3 1/2 REG, API 4 1/2 REG,BECO 3 1/2″, BECO 4″ 178 API 4 1/2 REG, BECO 4 1/2″ 194 BECO 5 1/4″ Common drill pipe Outer diameter (mm) ...
  • Wholesale Price China Button Bit For Rock Drilling - Concentric casing system with blocks – Spark

    Wholesale Price China Button Bit For Rock Drilling - Concentric casing system with blocks – Spark

    Application Piling, anchoring, foundation Component parts Operation procedure Step1: When drilling starts, the system drives the casing shoe and casing tube move down. Step2: When reaching the bedrock, lift up the block system, the blocks will closed, reverse rotation and pull out the block system from the hole. Step3: If the hole have reach the desired depth, finish the drilling and continue other process. Step4: If you still want to drill deeper, use the conventi...