10 Russia 
9 Canada 
8 Singapore 
4 UK 
2 China 
1 Germany 
1 Norway 
Api Quality Tricone Rock Bit China Supplier - China
price: contact company for price
IADC CODE- TRICOEN BITS
First Digit- 1, 2, 3 designate steel tooth bits and the formation being drilled, with 1 for soft, 2 for medium, and 3 for hard formations.
4, 5, 6, 7, and 8 designate tungsten carbide insert bits and the formation being drilled, with 4 being the softest and 8 the hardest formation.
Second Digit- 1, 2, 3 and 4 are further broken down by the formation, with 1 being the softest and 4 the hardest.
Third Digit- Classifies the bit according to bearing/ seal type and special gauge/ wear protection.
Open Bearing- On these bits the cones will spin freely.
The bit has a front row of ball bearings and a back row of roller bearings.
2 - Opening Bearing, Air- Cooled- Cones are similar to# 1 - but have air injection directly to the cones to cool the bearings.
Air flows into the cone through the passage ways inside the pin.
( Not for use in mud applications.
)
3 - Open Bearing with Gauge Protection- Carbide inserts in the heel of the cone.
Company Contact:
- Posted By: Hejian Deris Petroleum Drilling Equipment
- Phone: 8618831737902
- Address: china hebei, hejian , China
- Email:
- Website: https://hjdrs.en.alibaba.com
Published date: June 1, 2014
- Business Description: Company Competitive Power:
1 - the most professional and experienced senior engineers in this field
guarantee high quality products.
2 - MANUFACTURER position ensures competitive price.
3 - Sincere salesmen are our business basis.
4 - Different sizes and dimensions are available
5 - A certain number of bulk stock ensures fast delivery
6 - Best after sales service Welcome to inquiry and visit our factory
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