Featured
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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... -
Factory Free sample Dth Hammer Exporter - 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... -
PriceList for Down The Hole Hammer Operation - 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 Promotional Valveless Dth Hammer - 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... -
OEM/ODM Factory Tungsten Carbide Drill Set - 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... -
2022 Latest Design Martillos Dth - 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... -
2022 China New Design Button Bits Rock Drilling - 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... -
Reasonable price Rotary Rock Drill Bits - 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... -
Newly Arrival Pr54 Hammer - 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... -
Excellent quality Tungsten Drill 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... -
Good Quality Anchor Drill Bit - 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... -
China Cheap price Dth Hammer 24 - 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...
