Featured

  • Super Lowest Price Tungsten Masonry Drill Bits - Concentric Casing System With Ring Bit – Spark

    Super Lowest Price Tungsten Masonry 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...
  • Super Lowest Price T38 T45 Dth Button Bit - 8″ DTH Hammer DHD380 QL80 SD8 Mission80 Shank  – Spark

    Super Lowest Price T38 T45 Dth 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...
  • Hot Sale for Dth Hammer Shanks - Reverse circulation hammer – Spark

    Hot Sale for Dth Hammer Shanks - 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...
  • Professional China Dhd350 Dth Hammer - Eccentric casing system /ODEX system – Spark

    Professional China Dhd350 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...
  • 2022 Latest Design Martillos Dth - Concentric Casing System With Ring Bit – Spark

    2022 Latest Design Martillos Dth - 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 China Water Drilling - 8″ DTH Hammer DHD380 QL80 SD8 Mission80 Shank  – Spark

    OEM China Water 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...
  • OEM Manufacturer Drilling Water Boreholes - Reverse circulation hammer – Spark

    OEM Manufacturer Drilling Water Boreholes - 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...
  • New Fashion Design for Fastest Dth Hammer - Concentric casing system with wings – Spark

    New Fashion Design for Fastest Dth Hammer - 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 ...
  • 2022 China New Design Down Hole Micro Pile Hammer - Reverse circulation hammer – Spark

    2022 China New Design Down Hole Micro Pile 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...
  • Well-designed Friction Welding Rod - 8″ DTH Hammer DHD380 QL80 SD8 Mission80 Shank  – Spark

    Well-designed Friction Welding Rod - 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 valveless DHD360 COP64 QL60 Shank  – Spark

    Newly Arrival Pr54 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...
  • Wholesale Dth Bit Sizes - Large diameter DTH drilling tools – Spark

    Wholesale Dth Bit Sizes - 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 ...