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UTI manufactures a complete line of down-hole wear parts for most makes and models, including: Ditch Witch®, Case®, Astec®, Vermeer® and American Auger®.

This is a selection of our parts, please inquire for more details.



HDD Drill Pipe

Underground Tools, Inc. is proud to announce their partnership with TuffRod, LLC, the fastest growing HDD drill pipe company in the United States. American owned and operated, TuffRod specializes in 1-piece, upset forged, S-135 grade drill pipe. This premium quality drill pipe is manufactured with proprietary alloy materials which are unique to the HDD industry and allow for the optimum combination of strength, memory and durability.

As a national distributor for TuffRod, UTI has drill pipe available for virtually every horizontal directional drill on the market, including; Ditch Witch®, Vermeer®, American Augers®, Case/Astec/Toro®, Universal HDD®, as well as, other manufacturers drills. We even offer 1-piece forged Ditch Witch® drill pipe.

TuffRod controls all phases of the manufacturing process; beginning with raw material selection, internal and external upset forging, a highly specialized heat treatment process, precision machined pin & box connections and finishing with the most rigorous quality control inspection processes of any manufacturer in the industry. This combination of proprietary alloy material and internal procedural control gives us the advantage of manufacturing the highest quality drill pipe that technology will allow.

Maxi Rig Drill Pipe

Maxi Rig Drill Pipe

Durability and performance are of the utmost importance when it comes to choosing drill pipe for big rigs, that’s why Underground Tools, Inc. starts with only the best tubes, which meet or exceed stringent material specifications. Each joint of pipe produced is subject to rigorous quality assurance procedures which begin at the point of material selection and continue through final inspection. Processes such as upsetting, machining, heat treating and several others are inspected and recorded by certified operators and reviewed by UTI’s quality assurance department. These measures ensure that customers receive only the best quality drill pipe and UTI delivers on its promise of total customer satisfaction.

Maxi Rig Drill Pipe:

  • Sizes 2-3/8" to 6-5/8"
  • Connections: API & Premium Threads
  • All Grades & Weights
  • Range II & III
  • New, New Premium Plus & USED Premium Plus
  • Optional Hard Banding & Internal Plastic Coating