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

Core Drill Bit, Diamond Tool, Drill Bits manufacturer / supplier in China, offering 8 1/2 Inch Diamond Core Drilling Bits, Tungsten Carbide Insert Tricone, Roller Cone Drill Bits, Tricone Roller Cone Drill Bits and so on.

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Supplier Homepage Product Drill Bit 8 1/2 Inch Diamond Core Drilling Bits

8 1/2 Inch Diamond Core Drilling Bits

FOB Price: US $2,500-3,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $2,500-3,000/ Piece
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Production Capacity: 500PCS/Month
Transport Package: Wooden Case
Payment Terms: T/T, Western Union

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Basic Info
  • Model NO.: 8 1/2 inch
  • Material: Diamond
  • Certification: ISO9001
  • Rig Type: Mechanical Rig
  • Offshore Unit Type: Jack-up Drilling Rig
  • Specification: ISO9001
  • HS Code: 82071990
  • Type: Core Drill Bit
  • Usage: Well Drilling
  • Power Type: Diesel
  • Drilling Depth: 9000m
  • Trademark: ouyate
  • Origin: Hebei Hejian
Product Description
Arc crown profile design and blade-style cutter setting. Natural diamond ID&OD gauge, fluid courses set on ID gauge to ensure a better cleaning and cooling effect upon cutters of the gauge. Applicable for medium hard to hard formations and it allows to be used in various formations.
SizeTFAGauge length
inin 2in
5 7/80.3-0.81 1/8
60.3-0.81 1/8
8 1/20.6-1.21 1/2

 
 Recommended drilling parameters
SizeFlow rateRPMWOB

in
 
L/srpmKN
5 7/86-1360-35075-23
66-1360-35075-23
8 1/222-32350-500110-45
1. How to order the products?
Answer:
Send the inquiry with detail item description or with Model number.
If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding. 

2. About lead time and shipping time?
Answer :
The lead time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.
According the distance from china to your port, usually from China to European about 25 days. To West of American 20 days.
 
3.Can I expect a quality products?
Answer :
Yes. All our activities are accredited to ISO 9001:2008 , both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.
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