Gold Member Since 2014
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Hejian Hengji Bit Manufacture Co., Ltd.

Tricone Bits, Drill Bits, Drilling Bit manufacturer / supplier in China, offering 20inch TCI Tricone Drill Bit for Well Drilling, TCI Tricone Rock Roller Bit/Oil Drill Bit, Tricone Water Well Drilling Bits, 8.5 Inch Rotery Bits, Oil and Gas Reamer, Used Tricone Bit for Sale and so on.

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Supplier Homepage Product Drill Bit 20inch TCI Tricone Drill Bit for Well Drilling

20inch TCI Tricone Drill Bit for Well Drilling

FOB Price: US $100-5,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100-5,000/ Piece
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Production Capacity: 1000PCS/Month
Transport Package: Wooden Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: 20" 508.0mm
  • Material: Tungsten Carbide
  • Certification: ISO, CE
  • Rig Type: Digital-Control Vf Electric Rig
  • Offshore Unit Type: Semi-Submersible Drilling Rig
  • Transmission System: Hydraulic
  • Specification: ISO
  • HS Code: 82071990
  • Type: Core Drill Bit
  • Usage: Well Drilling
  • Power Type: Electric
  • Drilling Depth: 1800m
  • Tractor Hoist Type: Wheeled Tractor Hoist
  • Trademark: ouyate
  • Origin: Hebei Hejian
Product Description
1 company introduction:
We guaranteed products at a competitive price and high quality. At present, our products have a very good sale in
Domestic and overseas market. We wish to cooperate with you to create a bright future and mutual benefit. Much appreciation for your prompt attention in advance, we are eager to look forward to hearing from you soon.

2 product introduction:
1) condition: 100% new
2) the exact bit size: 20" = 508.0mm
4) IADC code: 637
5) seal type: Elastomer sealed bearing
6) bearing type: Journal sealed bearing bit with gauge protection
7) nozzle quantity and nozzle size: 3 PCS
8) connection joint pin size: 7 5/8API reg pin
3 the feature:
Rubber sealed sliding bearing bits are sealed by special type "o". Under the normal rotary speed conditions, they can stand high bit pressure. The bore surface of the cone has been treated with special techniaue in order to improve sliding motion of the bearing. And every performance is improved greatly.
1 o-shape seal ring with high saturation butadience acrylonitrile rubber improved the bearing sealed reliability.
2 to adapt high strength and toughness hard alloy teeth, the shock resistance has been increased and the breakage rate has been decreased.
3 the bearing contact surface, neck journal of jaw have been adapted to wear resistance alloy materials, the special craft processing has been applied in the bore surface of the cone which increases the load capability and the working life.
4 optimized tooth number of cone and height of tungsten carbide tooth which improved the total cutting property and drilling footage.
5 high-performance lubricant grease has been applied in bearing which increased lubricating and protecting.
IADCWOB(KN/mm)RPM(r/min)Applicable Formations
 417/427 0.3-0.9 150-70very Soft formation with low compressive strength and high drillability,such as clay,soft mudstone,shale,salt,loose sands,etc.
 437/447 0.35-0.9150-70   very Soft formation with low compressive strength and high drillability,such as clay,soft mudstone,shale,salt,loose sands,etc.
 515/525 0.35-0.9180-60  very Soft formation with low compressive strength and high drillability,such as mudstone,salt,soft limestone, sands,etc.
517/5270.35-1.0140-50Soft formation with low compressive strength and high drillability,such as  mudstone,salt,soft limestone,sands,etc
535/5450.35-1.0150-60 medium soft with harder formation, more abrasive streaks,such as hard shale,mudstone,soft limestone,etc.
537/5470.4-1.0120-40medium soft with harder formation, more abrasive streaks,such as hard shale,mudstone,soft limestone,etc.
617/627 0.45-1.190-50  medium hard with higher compressive strength as well as thick and hard streaks,such as hard shale,sands,limestone,dolomite,etc.
6370.5-1.280-40 medium hard with higher compressive strength as well as thick and hard streaks,such as hard shale,sands,limestone,dolomite,etc.
 737 0.7-1.270-40  Hard with high abrasiveness such as hard limestone,dolomite,firm sands,etc
827/837 0.7-1.2 70-40 very hard with high abrasiveness,such as quartzite,quaruzite sand,chert,basalt,granite,etc.
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