API and Premium Threading Services

With over 50 years of experience in the oilfield, we are “The Specialist” when it comes to threading.  We have a complete line of hardened and ground API Spec. 7-1 and API Spec. 5B thread gages as well as Gagemaker Thread Software and Gagemaker Thread Checking Equipment.  

Examples of items that we can thread are: Drill Pipe, Crossovers, Subs, Tubing, Casing, Drill Collars, Stators and Rotors. 

Size limitations: We can thread items as long as 35 feet in length and up to 12 inches in diameter.  

Below is a general list of types of threads we machine

  • API Regular
  • API Internal Flush (IF)
  • API No. Threads 
  • API Full Hole
  • Hughes H-90
  • Slimline H-90
  • Hughes Xtra Hole (X-Hole)
  • API American Open Hole (AOH)
  •  8 Round Tubing
  • 10 Round Tubing 
  • E.U.E. Tubing 
  • Line Pipe Threads
  • NPT Threads
  • PAC Threads
  • MT Threads
  • Wilson Flush Joint
  • Cable Tool Joints
  • Wash Pipe Threads
  • 2-Step Premium Tubing Threads
  • Sucker Rod 
  • Buttress
  • Acme and Stub Acme Threads
  • 60 Deg. “V’ Threads