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  • Factory selling Low Pressure Down The Hole Hammer - Concentric casing system with blocks – Spark

    Factory selling Low Pressure Down The Hole Hammer - 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 Free sample Rock Drill Shank - Concentric casing system with blocks – Spark

    Factory Free sample Rock Drill Shank - 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...
  • Ordinary Discount Down The Hole Hammer Drills - Concentric Casing System With Ring Bit – Spark

    Ordinary Discount Down The Hole Hammer Drills - 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 Hand Rock Drill Bits - Concentric Casing System With Ring Bit – Spark

    OEM Supply Hand Rock Drill Bits - 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...
  • China Cheap price Dth Hammer 24 - 8″ DTH Hammer DHD380 QL80 SD8 Mission80 Shank  – Spark

    China Cheap price Dth Hammer 24 - 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...
  • Newly Arrival Pr54 Hammer - 6″ DTH Hammer Bits DHD360 / COP64 / QL60 / SD6 / MISSION60 Shank – Spark

    Newly Arrival Pr54 Hammer - 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...
  • OEM/ODM Manufacturer Reverse Circulation Water Well Drilling - 8″ DTH Hammer DHD380 QL80 SD8 Mission80 Shank  – Spark

    OEM/ODM Manufacturer Reverse Circulation Water Well Drilling - 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...
  • Excellent quality Down Hole Button Bit - 8″ DTH Hammer DHD380 QL80 SD8 Mission80 Shank  – Spark

    Excellent quality Down Hole Button Bit - 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 Concentric Casing System - Concentric casing system with blocks – Spark

    Best quality Concentric Casing System - 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...
  • Europe style for Numa Down Hole Hammer - Large diameter DTH drilling tools – Spark

    Europe style for Numa Down Hole 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 ...
  • Quality Inspection for Which Drill Bit For Anchor - 6″ DTH Hammer Bits DHD360 / COP64 / QL60 / SD6 / MISSION60 Shank – Spark

    Quality Inspection for Which Drill Bit For Anchor - 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...
  • Online Exporter Down Hole Hammer Drill - 6″ DTH Hammer Bits DHD360 / COP64 / QL60 / SD6 / MISSION60 Shank – Spark

    Online Exporter Down Hole Hammer Drill - 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...