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8 1/2" IADC637 Rotary Drilling Single Roller Cone Bit, Tricone Cutter Bit for Core Barrel
2025-04-13
introduction 3150
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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