Hot Sale TCI tricone 537 rock drill bit for water well drilling
|
Size |
17 1/2” |
|
IADC |
517 |
|
Bearing Type |
Elastomer sealed journal bearing |
|
Thread Connection |
75 /8"reg pin |
|
WOB(KN/mm) |
0.45~1.0 |
|
RPM(r/min) |
120~50 |
|
Applicable Formations |
medium to hard hardness formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc |
|
Circulation system |
Mud pump |
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