Hebei, China
Management System Certification:
Main Markets:
North America, Southeast Asia/ Mideast, East Asia(Japan/ South Korea)
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Core Drill Bit, Diamond Tool, Drill Bits manufacturer / supplier in China, offering 8 1/2 Inch Diamond Core Drilling Bits, 12 1 4 Inch TCI Tricone Bit,, 22′ API Rubber Sealed Tricone Bit, Water Well Drilling Bits and so on.

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

8 1/2 Inch Diamond Core Drilling Bits

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $2,500-3,000/ Piece
Production Capacity: 500PCS/Month
Transport Package: Wooden Case
Payment Terms: T/T, Western Union
Type: Core Drill Bit
Material: Diamond
Usage: Well Drilling
Certification: ISO9001
Power Type: Diesel
Rig Type: Mechanical Rig

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Basic Info

Model NO.: 8 1/2 inch
Drilling Depth: 9000m
Offshore Unit Type: Jack-up Drilling Rig
Trademark: ouyate
Specification: ISO9001
Origin: Hebei Hejian
HS Code: 82071990

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

5 7/86-1360-35075-23
8 1/222-32350-500110-45
1. How to order the products?
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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