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Special Price for Large Diameter Drilling Bit - 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... -
Best Price on Eccentric Casing Systems - 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 ... -
Hot Selling for Mining Button Bit - 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... -
Best-Selling Dth Hammers And Bits - 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) ... -
Chinese wholesale Borehole 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... -
OEM Supply Down The Hammer Hole 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... -
Manufactur standard Dth Hammer South Africa - 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... -
Best quality Threaded Shank Adapter Drills - 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 High quality Dth Hammer On Auger Drive - 6″ DTH Hammer Bits DHD360 / COP64 / QL60 / SD6 / MISSION60 Shank – Spark
Specification Bit Shank Dhd360/Cop64/Ql60/Sd6/Mission60 Bit Face Flat, Concave,Convex Material Alloy Steel Button Type Spherical, Ballistic, Semi-Ballistic Button Grade Yk05, Kd10 Button Installation Method Cold Pressing Hole Size 152~203mm (Standard); 203-254mm (Oversize) Application Mining, Quarry, Water Well, Geothermal Well, Piling, Foundation, Slope Reinforcement Three Kind Of Bit Face And Two Kind Of Button Shapes Are Available Flat F... -
18 Years Factory Mission Shank Bit - 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... -
Wholesale Price Shank Adapter For Drill - Eccentric casing system /ODEX system – Spark
Structure of Eccentric casing system /ODEX system Structure features The structure of the reamer is improved from figure(a) to figure(b), which strength the wearing resistance on the back, and extend the the service life of the whole reamer. Working 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 th... -
2022 Good Quality Down Hole Hammer Bits - Eccentric casing system /ODEX system – Spark
Structure of Eccentric casing system /ODEX system Structure features The structure of the reamer is improved from figure(a) to figure(b), which strength the wearing resistance on the back, and extend the the service life of the whole reamer. Working 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 th...
