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Eccentric Overburden Casing System DTH Hammer Bit with Good Quality
2025-04-13
introduction 4620
114
Customized
API
Taper-length
Center Drill Bit
High Carbon Steel
Well Drilling
Eccentric Overburden Casing System
114mm
100mm
92mm
94mm
124mm
3"
HW
Standard Packing
108-377mm
China
8207191000
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