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Product details
This series of drill bits is mainly used for mining and drilling coal mine vents.
This series is a rolling bearing with teeth, air cooling, and clean sealing. The system consists of five bearings: roller, steel ball, two thrust, sliding (or roller), and one thrust. The bearing surface is embedded with anti-wear alloy. This series of products is widely used for perforation operations in metal and non-metal mining, with the advantages of high perforation efficiency.
Nomenclature of RUlSHI Oil Well TCl Tricone Bit Model
| IADC | 5 | 3 | 7 |
| IADC Code | 1, 2, 3: Milled teeth bits from very soft to hard formations 4,5,6,7,8: TCl bits,from very soft to hard formations |
1, 2, 3, 4 from very soft to very hard formations,bits differ in number and size of cutters/inserts |
1:Standard open roller bearing 2:Standard open roller bearing,air-cooled 3:Standard open roller bearing with gauge protection 4:Sealed roller bearing 5:Sealed roller bearing with gauge protection 6:Sealed friction bearing 7:Sealed friction bearing with gauge protection |
BITS SPECIFICATIONS
| IADC CODE | 532 |
| RecommendedRPM(r/min) | 110-65 |
| RecommendedwOB (KN/mm) | 0.5-0.8 |
APPLICABLEFORMATIONS
Soft formations with low compressive strength and high drillability
Such as mudstone、gypsum、salt rock、soft limestone，etc
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To: Hebei Ruishi Bits Manufacturing Co.,Ltd
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No. 502, Taishan North Road, Renqiu Economic Development Zone, Hebei China
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