At Minnesota Grinding Inc., our thread grinding process is one of the best available in the industry. Our customers decide the thread form and then we deliver the perfect thread. We can easily translate any dxf file for grinding. Our process will even calculate any over-burn and/or shrinkage automatically.


We offer many unique benefits to our customers, including our many capabilities and options, and we support all of the following:

  • Acme Threads
  • Any Lead or Thread Form
  • British Threads
  • Buttress Threads
  • J Threads
  • Metric
  • Multiple Start Threads
  • Taper Threads
  • Trapezoidal
  • Variable Pitch Threads
  • Up to 32 Degree Helix Angles

Most of our business is acquired by referral and we operate by word-of-mouth sales to represent our solid reputation. Our customers always come first, no matter the size of an order.


We offer external and internal grinding, CNC grinding, ID grinding and OD grinding to meet all the needs of our customers. Thread grinding is often used for cavities, ball screws, core pins (electrodes), medical bone taps and worms. We provide service mainly to the following industries:

  • Aerospace
  • EDM
  • Medical
  • Motion Control
  • Plastics
  • Tooling

However, we are capable of handling any need across any industry.


We’re able to handle any O.D. thread size up to 22” in diameter. We process large or small threads, but our largest capability is 24” in length. Our I.D. thread minimum thread diameter is 5/8” while the maximum size is 10”. We’re also able to grind electrodes to burn smaller IDs if necessary.

Emergency Service

EMERGENCY SERVICE is available if you need 1-2 day turn-around. Call for details.  (763) 535-4445

Customer Service

We put our customers first, and no job is too small. Whether you need just 1 item or 1 million, let Minnesota Grinding Inc. be your grinding department.

Our Reputation

Our reputation is proven daily. We get most of our new business by referral. Let us Exceed Your Expectations

Our Focus

At Minnesota Grinding Inc. our motto is Exceeding Your Expectations, which represents our focus on quality and delivery.