Premium Connection
HW Drill Pipe features
Special Feature

,HW Drill Pipes by welding!! OD 3-1/2" to 5-1/2"
,tool joints made separately
,sufficient heat treatment, physical property optimized
,easy for threading and surface treatment, more accurate on dimensional control
,MTI 400BX welder stable and reliable plus mature and advanced heat treatment to realize high strength seamless connection
,length guaranteed and tailored as per customer request

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