A1 Engineering offers grinding services to meet customers’ needs for precision and quality. With high precision equipment and experienced machinists, we can hit tight tolerance dimensions and provide great surface finishes for your parts.  

Grinding Equipment

We have surface grinders for flat surfaces and ID/OD grinders for round parts, and our specific machines include the following:

  • Okamoto 16″ X 24″ Hydraulic Surface Grinder
  • Okamoto 16″ X 32″ Hydraulic Surface Grinder
  • Okamoto Cylindrical ID/OD Grinder
  • Landis Cylindrical ID/OD Grinder
  • Bridgeport 8″ X 16″ Surface Grinder
  • Kent 7″ X 15″ Surface Grinder

We grind parts ranging in size from about 1/8″ diameter by about 1″ length to 15″ diameter by 36″ length. We can grind straight diameters as well as angles.

See our facility list for more details on our grinding equipment.


A1 Engineering has also worked with a variety of materials for our customers’ jobs:

  • cold and hot rolled steel
  • alloy steel
  • tool steel
  • hardened steel
  • aluminum
  • brass and copper
  • stainless steels
  • titanium and other exotic metals
  • plastics
  • wood

Don’t see your part material in this list?

Give us a call today, and we can talk about how to machine your part.


A1 Engineering values customer satisfaction, which means not just perfect parts, but also excellent service across our relationships with customers. And you don’t just have to take our word for it: With ISO 9001:2015 certification, A1 Engineering has demonstrated its commitment to and achievement in excellent product quality, increasing efficiency, and customer satisfaction.  

Connect with A1 Engineering

If you’re looking for a partner in precision machining, don’t hesitate to give us a call at (763) 786-8710 or send an email at or Count on A1 Engineering’s CNC machining experts to get your job done right.

Ask questions, send a design, or talk to us about your next project—we want to hear from you!