Premium and API Threads

Stewart Tubular Products has years of experience cutting premium threads. We have threaded diverse products from 1” tubing nipples through 20” casing crossovers. We thread offset hangers, gas lift mandrels, and other product geometries too numerous to list. We thread all grades and types of materials, from standard API OCTG grades to Inconel and other CRA materials for the most severe applications. Our machinists and inspectors are highly skilled and are trained and qualified on each premium connection that they produce. Our machines and measuring equipment are capable of holding the precise tolerances required for premium threading.

For a printable list of threads, CLICK HERE


TenarisHydril Legacy Hydril:

TenarisHydril CS, CSCB
TenarisHydril PH6, PH6CB and PH4, PH4CB
TenarisHydril PJD
TenarisHydril Wedge 425
TenarisHydril Wedge 501
TenarisHydril Wedge 503
TenarisHydril Wedge 511
TenarisHydril Wedge 513
TenarisHydril Wedge 521
TenarisHydril Wedge 523
TenarisHydril Wedge 531
TenarisHydril Wedge 533
TenarisHydril Wedge 553
TenarisHydril Wedge 561
TenarisHydril Wedge 563
TenarisHydril Wedge 613/623
TenarisHydril Wedge 624
TenarisHydril SLX

GB Connections:

GB CD
GB CDE
GB LC

Metal One:

SUPERMAX
FLUSHMAX
GEOCONN
SMAX-WS

Houston International Specialty (HIS):

TCBC-HT
TCBC-TS
TCPC
TCSF
TCFJ

API Specification 5CT/7-1

BTC, LC, SC
EU (8RD), NU
API N.C. Connections
Extra Hole (X-HOLE)
Full Hole (FH)
Internal Flush (IF)
Regular (REG)

TenarisHydril:

TenarisHydril 3SB
TenarisHydril New 3SB
TenarisHydril 3SB-ST
TenarisHydril 3SB-SL
TenarisHydril Big Flush
TenarisHydril Blue
TenarisHydril Blue/A
TenarisHydril Blue Max
TenarisHydril Blue HW
TenarisHydril Blue LW
TenarisHydril Blue TL (SAGD)
TenarisHydril Blue Near Flush
TenarisHydril Blue Quick Seal
TenarisHydril EL
TenarisHydril ER
TenarisHydril HW
TenarisHydril MS
TenarisHydril MS-XT/XC
TenarisHydril MS-28
TenarisHydril MS-28-XT/XC
TenarisHydril Wedge 441
TenarisHydril Wedge XP 461
Tenaris XP Buttress
Tenaris XP Buttress PIN
Tenaris XP Buttress LW
Tenaris DSTJ
Tenaris DSTJ ST

ULTRA™:

TMK UP BPN
TMK UP ULTRA DQX
TMK UP ULTRA DQX-HT
TMK UP ULTRA FJ
TMK UP ULTRA SF
TMK UP ULTRA SF-II

Other Threads & Services:

Acme, Stub Acme
Back Pressure Valve (BPV)
Improved Buttress
Washpipe (WP)