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Contact: Peter Chan
Company: Guizhou Vilong Equipment Co,.Ltd
No. 128, Changling South Road, Guanshanhu District, Guiyang City, Guizhou Province, China.
Guiyang 550081
China
Phone: 86 851 85776440
Fax: 86 851 85776440
E-Mail: Send Inquiry
Date/Time:  7/12/18 8:36 GMT
 

Tricone rock bits

Sizes from 3" to 26":

IADC CODE IDENTIFICATION:

Ⅰ. First Digit: 1, 2, and 3 designate STEEL TOOTH BITS with 1 for soft, 2 for medium and 3 for hard formations. 4, 5, 6, 7 and 8 designate TUNGSTEN CARBIDE INSERT BITS for varying formation hardness with 4 being the softest and 8 the hardest.

Ⅱ.Second Digit: 1, 2, 3 and 4 are further breakdown of formation with 1 being the softest and 4 the hardest.

Ⅲ.Third Digit: This digit will classify the bit according to bearing/seal type and special gauge wear protection as follows:

1. Standard open bearing roller bit

2. Standard open bearing roller bit, air-cooled

3. Standard open bearing roller bit with gauge protection which is defined as carbide inserts in the heel of the cone

4. Sealed roller bearing bit

5. Sealed roller bearing bit with gauge protection

6. Journal sealed bearing bit

7. Journal sealed bearing bit with gauge protection

Minimum Order: 1 pieces

Tricone rock bits
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