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  • One Stop Tooling and Machine Shop
  • Founded in 1976 by Bob Thielen
  • We specialize in manufacturing cutting tools, precision machining and tool grinding
  • Family-owned and operated
  • Specializes in increasing your productivity with innovative tooling solutions
  • From designing a new tool to putting a new edge on an old tool, we are the answer to your custom grinding needs
  • Commitment to deliver high-quality tooling when you need it
  • Manufactures over 150 sizes and styles of heads to repair your tools
  • Commitment to on-time delivery and quality performance are our keys to success
  • Specializes in repairing all styles of indexable tooling to manufacturers specifications which reduces your replacement costs
  • Offer 24-hour emergency service
  • Repair any of your indexable tooling better, faster, and at less cost than the competition
  • Made in the USA
  • One of the first tool manufacturers to provide customer indexable holders to the high production machining industry
  • For over 40 years, we have been providing custom ground cutting tools and related grinding services to manufacturers.
  • Certified Women’s Business Enterprise
  • We specialize in manufacturing cutting tools, precision machining and tool grinding
  • One Stop Tooling and Machine Shop
  • Owned and operated by Barbara (Thielen) Dorumsgaard and Cynthia (Thielen) Blue
  • Founded in 1976 by our dad Bob Thielen
  • Started as a small machine and grinding shop in 1976.
  • Steadily grown and manufacture our own line of magnetic v-blocks, Swiss-tool holders and boring bars.
  • Providing custom CNC tool grinding services and precision CNC milling and turning are our specialties
  • Member of the Minnesota Precision Manufacturing Association (MPMA) and Industrial Supply Association (ISA)
  • From designing a new tool to putting a new edge on an old tool, NTM is the answer for your custom grinding needs!
  • Our Quality Control works in conjunction with Manufacturing to obtain results that often exceed our customers’ requirements.
  • Our measuring equipment and abilities are surpassed only by our dedication to the fully defined and documented NTM Quality Control Program. 
  • We are ISO 9001:2015 Certified and Women’s Business Enterprise (WBE) Certified.


ISO 9001:2015