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China Manufacturer for Dth Button Bits - 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... -
2022 wholesale price Down-The Hole Hammer Drilling Pdf - 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... -
Ordinary Discount Down The Hole Hammer Drills - 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) ... -
OEM Supply Down The Hammer Hole Drilling - 6″ DTH Hammer valveless DHD360 COP64 QL60 Shank – Spark
Specification Brand Name SPARK Product model DHD360 COP64 QL60 Application Mining, quarry, water well, geothermal well,piling, foundation, slope reinforcement Thread API 3 1/2″Reg Pin Outer diameter 148mm Shank DHD360 COP64 QL60 without foot valve Hole size 152~203mm (standard)>203mm (oversize) Air pressure Max 30bar Air consumpation 20m³/min(18Bar) Rec. rotary speed 25~55 rpm Weight 96kg~100kg Item Description ITEM DESCRIPTION NO PART LIST 1 TOP SUB... -
High Performance Fastest Down 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... -
OEM Customized Dth Water Hammer - Large diameter DTH drilling tools – Spark
Advantages 1.Using DTH hammer drilling is a good way to drill through cave formation and avoid stuck problem. 2.When encountering caves, drill bit inclines to the cave. You can add a stabilizer to ensure the hole straightness. Large diameter DTH hammer We can supply large diameter DTH hammers and bits with different shanks: 12”: DHD112, SD12, NUMA120, NUMA125 14”: NUMA125 18”: NUMA180 24”: NUMA240 12” NUMA120 HAMMER PRODUCT NAME NUMA120 HAMMER ... -
2022 High quality Blast Hole Drilling Bit - 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... -
Factory source Atlas Copco Dth Hammer Parts - 6″ DTH Hammer valveless DHD360 COP64 QL60 Shank – Spark
Specification Brand Name SPARK Product model DHD360 COP64 QL60 Application Mining, quarry, water well, geothermal well,piling, foundation, slope reinforcement Thread API 3 1/2″Reg Pin Outer diameter 148mm Shank DHD360 COP64 QL60 without foot valve Hole size 152~203mm (standard)>203mm (oversize) Air pressure Max 30bar Air consumpation 20m³/min(18Bar) Rec. rotary speed 25~55 rpm Weight 96kg~100kg Item Description ITEM DESCRIPTION NO PART LIST 1 TOP SUB... -
2022 Good Quality 8 Inch 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) ... -
OEM Factory for Dth Bit Exporter - Large diameter DTH drilling tools – Spark
Advantages 1.Using DTH hammer drilling is a good way to drill through cave formation and avoid stuck problem. 2.When encountering caves, drill bit inclines to the cave. You can add a stabilizer to ensure the hole straightness. Large diameter DTH hammer We can supply large diameter DTH hammers and bits with different shanks: 12”: DHD112, SD12, NUMA120, NUMA125 14”: NUMA125 18”: NUMA180 24”: NUMA240 12” NUMA120 HAMMER PRODUCT NAME NUMA120 HAMMER ... -
Factory For Drilling Tool Dth Hammer - Concentric Casing System With Ring Bit – Spark
Application Applied to over burden formation with complex topographic and geological conditions, such as gravel, fissured formation, boulder, landfill of construction etc. Specification D h H C G Specification O. D. of Casing Tube (mm) I.D. of Casing Tube(mm) Wall thickness of casing (mm) Max. O.D. of pilot bit (mm) Ring Bit O.D. (mm) Max. O.D. of Normal Bit (mm) Hammer Type Weight(kg) TOP hammer type P76/7-39 76 62 7 57 88 39 R32 3.2 P89/8-58 89 73 8 70 100 58 T3... -
Super Purchasing for Rc Drill 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...
