It is a kind of compilicated bolting and supporting machine, working with the roadheader together , which has changed the traditional coal mine tunneling.It has effectively the decrease the labour in
    1, materal is AISI***5HMOD chemical components C 0.***0.*9 Si 0.***0.*5 Mn 1.***1.*5 P 0.**5MAX S 0.**5MAX Cr 1.***1.*5 Mo 0.***0.*5 Ni 0.*5max Cu 0.*5MAX Mechanical propertie...
  • Min Order : 10 Piece
  • FOB Price: 200 Piece
    Our company forges rough cast of step shafts and round bars such as cold roller, corrugated roller and pipe die of mould-die, motor shaft, marine quant shaft, marine tail shaft, middle shaft, drill...
  • Min Order : 10 Piece
  • FOB Price: 200 Piece
    Spiral Drill collar: 1.Raw Material: ***5H 2.O.D.:*1/8 to *1 3.Length:*0 *1ft 4.Standard:API Spec7
  • Min Order : 20 Metric Ton
  • FOB Price: 1000 Metric Ton
  • Supplying Ability : 260 Metric Ton / Month
    Material: H*0.J*5.K*5.N*0.C*5.L*0.C*0.T*5.P**0.Q**5 OD: **4.3mm to **8mm Wall thickness: 5.*2mm to *6.*3mm length: R1 4.***7.*2M . R2 7.****0.*6M . R3 *0.****3Meters T...
  • Min Order : 20 Metric Ton
  • FOB Price: 1350 $
  • Supplying Ability : 350 Metric Ton / Month
    1Type:casing slips 2Inch:6 5/8 to *0 inch **8.****2mm 3Max.Load tons: *******5 4CMS-XL 5Spec 7k standard 1.DCS type drill collar slip 2.Perf...
  • Min Order : 3 Piece
  • Supplying Ability : 300 Piece / Month
    1.All kinds of steel is available 2.Advanced equipment , 3tons hydraculic die forging production and *0 tons hydraulic die forging production line and so on 3.Wonderful experience in die forging ...
  • Min Order : 500 Piece
  • FOB Price: 30 Piece
  • Supplying Ability : 15000 Ton / Year
    Please be advised that we have been an OEM supplier for quality Hydraulic Rock breaker Chisels hammers, Tools since ***5, and we can also offer Undercarriage parts, hydraulic Drifter parts and ...
  • Min Order : 1 Piece

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    Step Drag Bits also named blade bits, with a Tungsten Carbide inserts on the blades. They are usually designed for use in soft formations such as sand, clay, or some soft rock.
  • Min Order : 1 Piece
  • Supplying Ability : 10000 Piece / Month
    1.Suit for drilling medium hard to hard formations. 2.Evolute asymmetrical blade cutter design and balanced bit load so that bit whirl is prevented .
  • Min Order : 1 Piece
  • FOB Price: 1000 Piece
  • Supplying Ability : 10000 Piece / Month
    Specifications double ram preventerblowout preventer cameron double ram bop, double ram blowout preventer annular blowout preventer blowout pr...
  • Min Order : 1 Set
    Tricone Drill Bit*- Sizes range: from 3 7/8 to *6 Material :Carbon Steel, Alloy steel Model Number: TCI , cover all IADC code Processing Type :forging ...
    As the professional supplier of rock bits in China, we can supply all kinds of rock bits, such as PDC bits, TCI bits, rock bits, tricone bits, single cone bits, hole opener, steel tooth bits, inser...
  • Min Order : 1 Piece
  • FOB Price: 700 Unit
  • Supplying Ability : 10000 Piece / Month
    1.Suit for drilling medium hard to hard formations. 2.Evolute asymmetrical blade cutter design and balanced bit load so that bit whirl is prevented .
  • Min Order : 1 Piece
  • Supplying Ability : 10000 Piece / Month
    ZJ**0 ZJ**0 ZJ**0 ZJ***0 ZJ***0 ZJ***0 ZJ***0 ZJ***0 ZJ***0 Weight Kgs **7 **0 **0 **0 ***0 ***0 ***0 ***0 ***0 Length mm ***0 ***0 ***5 ***0 ***0 ***4 ***0 ***0 ***0 Operating ...
  • Min Order : 1 Piece
  • FOB Price: 100 $
  • Supplying Ability : 100 Piece / Month
    ZJ**0 ZJ**0 ZJ**0 ZJ***0 ZJ*3...
  • Min Order : 1 Piece
  • FOB Price: 100 $
  • Supplying Ability : 100 Piece / Month
    API 3 Wings Alloy Steel Drag Bit *-MOQ: 1piece *-Delivery Date:depend on the contract *-Delivery term: depend on the contract *-Packing: Wooden Case or as your require...
  • Min Order : 1 Piece
  • Supplying Ability : 10000 Piece / Month
    drill pipe 1.OD:3 1/2, 4 , 4 1/2 , 5 , 5 1/2 .... 2.Steel grade: E*5, X*5, G**5, S**5 3.Standard :API 4.MOQ :*5 Tons
  • Min Order : 20 Piece
  • FOB Price: 1 Piece
  • Supplying Ability : 10000 Piece / Month
    API 3 Wings Alloy Steel Drag Bit *-MOQ: 1piece *-Delivery Date:depend on the contract *-Delivery term: depend on the contract *-Packing: Wooden Case or as your require...
  • Min Order : 1 Piece
  • Supplying Ability : 10000 Piece / Month
    API TCL tricone bit 1.API 2.high quality drill bit 3.Resonable price, excellent in quality 4.Delivery on time
  • Min Order : 1 Piece
  • Supplying Ability : 10000 Piece / Month
    1.Rolling seal bearing structure, cylindrical roller cone in slots in the body, increasing the shaft neck size. 2.Thrust bearing vice respectively by grinding surface treatment and hardening...
  • Min Order : 1 Piece
  • Supplying Ability : 10000 Piece / Month
    API 3 Wings Alloy Steel Drag Bit *-MOQ: 1piece *-Delivery Date:depend on the contract *-Delivery term: depend on the contract *-Packing: Wooden Case or as your require...
  • Min Order : 1 Piece
  • Supplying Ability : 10000 Piece / Month
    drill pipe 1.OD:3 1/2, 4 , 4 1/2 , 5 , 5 1/2 .... 2.Steel grade: E*5, X*5, G**5, S**5 3.Standard :API 4.MOQ :*5 Tons
  • Min Order : 20 Piece
  • Supplying Ability : 10000 Piece / Month
    API 3 Wings Alloy Steel Drag Bit *-MOQ: 1piece *-Delivery Date:depend on the contract *-Delivery term: depend on the contract *-Packing: Wooden Case or as your require...
  • Min Order : 1 Piece
  • Supplying Ability : 10000 Piece / Month
    API 3 Wings Alloy Steel Drag Bit *-MOQ: 1piece *-Delivery Date:depend on the contract *-Delivery term: depend on the contract *-Packing: Wooden Case or as your require...
  • Min Order : 1 Piece
  • Supplying Ability : 10000 Piece / Month
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