8 Inch Raise Boring Roller Cutter Raise Drilling Hob Roller Cutter Drilling Tools for Mining Drilling

• Customization: Available
• Customized: Customized
• Standard: AISI, API
• Length: Taper-length
• Type: Center Drill Bit
• Material: High Carbon Steel
• Usage: Well Drilling
• Machine Type: Drilling Tool
• Processing Type: Forging
• Advantage: High-Efficiency ,Wear Resistant
• Bearing Type: Journal /Roller Bearing Bit
• Pin Connection: 4 1/2" API Regular
• Transport Package: Wooden Case
• Specification: 8 1/2′′
• Trademark: LONGYUE
• Origin: Hebei, China
• HS Code: 8207199000
• Production Capacity: 200 Pieces/Week

Product Description

Product Description



Product Specification

Size	8 INCH
Totoal pressure(lb)	60000 lb
Single bit pressure(kN)	89-245 kN
Totoal pressure(kN)	267 kN
Max linear velocity	300 ft/min
Suitable for rock hardness range	Hardness coefficient f≤12
OEM	Accept

Company Information

Basic information

Business Type:Manufacturer,Trading Company

Main Products: Tricone Bit,PDC bits,Hole Opener,Roller Cone Bit,Drag Bit

Total Annual Revenue:US$1 Million~US$2.5Million

Top 3 Market:Domestic Market 50.00%,Eastern Asia 10.00%,Mid 10.00%

Location:Hebei,China(Mainland)

Toal Employees:101-200 people

Trade Capacity

Trade & Market

Main Markets	Total Revenus(%)
Domestic Market	50.00%
Eastern Aisa	10.00%
Mid East	10.00%
North America	5.00%
South Aisa	5.00%
Northern Europe	5.00%
Easrtern Europe	5.00%
South America	5.00%
Africa	5.00%

Export percentage: 70%~80%

No.of Employees in Trade Department:15~20 people

Countries that our company have already exported:United States, Australia, Costa Rica, Guatemala, Azerbaijan, Congo, Myanmar, Peru, Singapore, Oman, Indonesia, Philippines, India, Switzerland, Ukraine, Turkey, Bolivia, Romania, Kenya, Vietnam, South Africa, Kuwait, Mozambique, Ecuador, France.

Exhibition
Certificates

Packaging & Shipping

FAQ
1. How to get an exact quotation?
Answer: Please send us detailed information as below:
-Tricone bits(Diameter, IADC code)
-PDC bits(Matrix or Steel body, blades quantity, cutter size, etc)
-Hole opener(Diameter, size of pilot hole, hardness of rocks, thread connection of your drill pipe, etc.)
-Roller cutters(Diameter of cones, model number, etc.)

A simple way is sending us photos .
Besides above, if possible please provide more information as below:
Drilling depth in vertical well drilling, Drilling length in HDD, hardness of rocks, Capacity of drill rigs, application(oil/gas well drilling, or water well drilling, or HDD, or foundation).
Incoterm: FOB or CIF or CFR, by plane or ship, port of destination/discharge.
The more information provided, the more exact quotation will be offered.

2. About lead time,payment terms, delivery ?
Answer: We always have regular models available in stock, prompt delivery is one of our advantages. Mass production depends on quantity of order.
We accept all regular payment terms including L/C, T/T, etc.
We are near from Beijing airport and Tianjin(Xingang) seaport, transportation from our factory to Beijing or Tianjin only takes one day, fast and very economical inland charges.