- Oil Drilling Junk Mill Casing Pilot Junk Flat Bottom Taper Mill
0Comment338 Play
Crossover Cementing Well Drilling Tools Non Magnetic Flex String Spiral Drill Collars
2025-04-13
introduction 4660
Drill Collar
Repair
Two Years
Forging
Polishing
Atmospheric Pressure
Alloy
Red/Bule/Customize
4 1/2"-20"
API, Reg ,Fh, If ,Nc,Tx39 etc
P530 ,P550
AISI 4154h
Drill Collar Available
Stress Reflief Groove
S: Energy & Mining,Well Drilling,Metallurgy Llury
TR
Standard Export Package
API Spec 7-1
Shandong Dongying
8431431000
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