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  • Competitive Price for Halco Dth Bits - 8″ DTH Hammer DHD380 QL80 SD8 Mission80 Shank  – Spark

    Competitive Price for Halco Dth Bits - 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...
  • Hot Selling for Dth Hammer Operation - Concentric casing system with wings – Spark

    Hot Selling for Dth Hammer Operation - 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 ...
  • OEM/ODM China Chuck Sleeve Supplier - Concentric Casing System With Ring Bit – Spark

    OEM/ODM China Chuck Sleeve Supplier - 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...
  • Factory made hot-sale Earth Anchor Drill Bits - Concentric Casing System With Ring Bit – Spark

    Factory made hot-sale Earth Anchor 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...
  • Competitive Price for Halco Dth Bits - Concentric casing system with blocks – Spark

    Competitive Price for Halco Dth 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...
  • Lowest Price for Mining Drill Bits - Concentric casing system with blocks – Spark

    Lowest Price for Mining Drill 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...
  • Factory making Tungsten Carbide Drill Bit - 8″ DTH Hammer DHD380 QL80 SD8 Mission80 Shank  – Spark

    Factory making Tungsten Carbide Drill 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...
  • Ordinary Discount Reverse Circulation Drilling Hammer - Eccentric casing system /ODEX system – Spark

    Ordinary Discount Reverse Circulation Drilling 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...
  • Discount wholesale Down Hole Air Hammer - Large diameter DTH drilling tools – Spark

    Discount wholesale Down Hole Air 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 ...
  • Popular Design for Down The Hole Hammer Video - 6″ DTH Hammer valveless DHD360 COP64 QL60 Shank  – Spark

    Popular Design for Down The Hole Hammer Video - 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...
  • Factory supplied Tsk Hammer - 6″ DTH Hammer valveless DHD360 COP64 QL60 Shank  – Spark

    Factory supplied Tsk Hammer - 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...
  • Manufacturing Companies for Hydro Water Well Drilling - Concentric casing system with wings – Spark

    Manufacturing Companies for Hydro Water Well Drilling - 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 ...