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 632
RecommendedRPM(r/min) 100-60
RecommendedwOB (KN/mm) 0.5-0.9

 

APPLICABLEFORMATIONS

 

Hard formations with hard rock

   Such as quartz、pyrite、hematite、magnetite、chrome ore、siliceous shale、phosphorite、granite、etc

 

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