6 1/4”mining tricone bit IADC 545USED FOR limestone ,sandstone dolomite and coal ore

6 1/4”mining tricone bit IADC 545USED FOR limestone ,sandstone dolomite and coal ore

Cutting structure gauge rows and inner rows are conical type

Designed for soft formation with low compressive strengths such as shale , soft limestone,dolomite with interlayers and coal ore

Application 15000-23000psi

Product specification

IADC code 545/ 542

Bearing type :roller-ball-thrust button/sealed bearing/open bearing

Circulation type:jet air

Bit diameter:159mm(6 1/4”)

Product weight :20kg

Operation suggestions

Rotary speed 110-80rpm

Air back pressure 0.2-0.4mpa

 


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