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

PDC Drill Bits, Drill Tool, Diamond Bit manufacturer / supplier in China, offering 8 1/2 "High Quality PDC Drill Bits, API Used Second Hand 8 1/2 Tricone Dill Bit Price, Tungsten Carbide Insert Tricone Bit for Hard Rocks and so on.

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Supplier Homepage Product Drill Bit 8 1/2 "High Quality PDC Drill Bits

8 1/2 "High Quality PDC Drill Bits

FOB Price: US $700-1,500 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $700-1,500/ Piece
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Production Capacity: 100PCS/Month
Transport Package: Wooden Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: 8 1/2 "
  • Material: Diamond
  • Tractor Hoist Type: Wheeled Tractor Hoist
  • Drill Bit Size: 8 1/2 Inch
  • Drilling Depth: 1800m
  • Power Type: Electric
  • Specification: ISO
  • HS Code: 82071990
  • Type: Core Drill Bit
  • Usage: Well Drilling, Well Drilling , Oil and Gas Exploitation
  • Offshore Unit Type: Jack-up Drilling Rig
  • Rig Type: Mechanical Rig
  • Transmission System: Mechanical
  • Trademark: ouyate
  • Origin: Hebei Hejian
Product Description
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.
Bit specification
The drill bit adopts short parabolic profile optimization, suitable for soft to medium soft formation
Gradually open the asymmetric spiral blade teeth arrangement design. Improve the stability of the bits.
The main and auxiliary cutting structure design, improve the life
High performance composite sheet used in combination, improve the service life of the drill bit
Design and Simulation of hydraulic balance of bottomhole flow field, more conducive to the drill bit cooling cleaning and chip
The drill bit adopts short parabolic profile optimization, suitable for soft to medium soft formation
Gradually open the asymmetric spiral blade teeth arrangement design. Improve the stability of the bits.
The main and auxiliary cutting structure design, improve the life
High performance composite sheet used in combination, improve the service life of the drill bit
Design and Simulation of hydraulic balance of bottomhole flow field, more conducive to the drill bit cooling cleaning and chip






Attention: Do not use the maximum WOB and maximum RPM at same time!
sizenozzlesnumber of cutting toothgage lengthAPI PINwobrpm
in

 mm inkN/mmr/min
8 1/2430854 1/230-10050-500
9 1/2436826 5/830-10050-500
11 5/86461006 5/850-16050-500
12 1/46521206 5/850-16050-500
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