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12 1/4 Inch Rolling Cutter Bits
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Product Details
| Place of Origin | Hebei, China | Brand Name | SRF | |
| Model Number | TCI tricone bit | Type | Drill Bit | |
| Machine Type | Drilling Tool | Certification | API | |
| Material | High Manganese Steel | Processing Type | Casting | |
| Use | Other, Coal Mining, Well Drilling |
Product Description
Specifications
1)competitive price with high quality2)timely delivery
3)inspection company,likeSGS.VB
YOU RUN AT NO RISK.
12 1/4 inch rolling cutter bits
TCI BITS for Soft - Medium Soft formations |
TCI BITS for Medium Hard - Hard formations sandstone, dolomite and other formations with high abrasive quality, hard streaks and broken formations. |
TCI BITS for Hard and abrasive formations formations such as granites, basalts, quartzite and chert. Drilling weight of 3 ± 4 tons per inch of diameter should be applied. |
Second Digit | FORMATION |
1 | 1, 2, 3 and 4 are further breakdown of formation with 1 being the softest and 4 the hardest. |
2 |
|
3 |
|
4 |
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Third Digit | BEARING / SEAL TYPE |
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 |


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High Quality Used Oilfield Drill Bits,Drilling Bits Water Well,Tungsten Carbide Drill Rock Bit
Pls inform the following details to us before making an inquire
1) What size of drill bit do you need?
2) What is the IADC of drill bit you need?
3) What is the quantity you need?
4) Which kind of formation is the drill bit for?


Contact Us
- Hejian Zhongcheng Drill Bit Manufacture Co., Ltd.
- Contact nameLeia Sun Chat Now
- Phone0086-317-3223932
- AddressFuyingmen6,Beihuan road, Cangzhou, Hebei
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