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12 1/4" (311.1mm) IADC537gtricone Bits Factory Selling Directly for Well Drilling, HDD Trenchless, Foundation
2025-04-13
introduction 3420
537G
Customized
API
Center Drill Bit
Tungsten Carbide
Well Drilling
New
3 Months
Construction Works , Energy & Mining
Drilling Tool
Forging
Elastomer Sealed Bearing
3 7/8''~32''
Oil,Gas,Geothermy,Water Well Drilling,Mining and
Blue
HJ
Plywood Case
ISO and SGS and API
China
82071990
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