Strong Customer Relationships

At Koro Industries, we work very hard to understand our customers’ requirements and take the time to communicate questions and suggestions, as if their projects were our own. We seek the most economical production solution that will result in the best product performance possible. We use our 50 + years of manufacturing experience to inform your design process and to help identify solutions should problems arise. We pride ourselves in the fact that many of our customers have come back to us time and time again for over 20, 30, 40 years and beyond. We think that’s because they know they will consistently receive a reliable, high quality product.

Bring our manufacturing expertise to your product.

Koro Sharpening Service

Contact Koro Sharpening Service for your hob sharpening needs. We will sharpen high speed steel (hss) and carbide hobs with center holes and straight flutes.

Accurate hob sharpening reduces tooth-to-tooth and profile error problems.

  • Quick turnaround, 2 day sharpening.
  • RUSH service available
  • Length up to 7.0 inches
  • Diameter up to 5.0 inches
  • All work meets AGMA standards
  • Precision spacing and rake guaranteed
  • Pricing varies with condition of hob
  • Located centrally in Maple Grove, MN, U.S.A.

Gear Cutting and Small Assemblies

Gears are our specialty. Koro manufactures fine to medium pitch gears complete or will cut gear teeth on customer supplied blanks. See our product pages for specific capability information on bevel, helical, spur and worm type gears. Contact us with your special requirements. Koro produces prototype and small to large volume production runs of a variety of components. We manufacture and assemble small gear assemblies.

Manufacturing Capabilities

Koro manufacturing capabilities include:

  • CNC Turning
  • CNC Milling
  • CNC Gear Cutting
  • Conventional Hobbing
  • Broaching
  • Burnishing
  • Deburring
  • Precision manufacturing to AGMA and equivalent quality levels

Koro’s production capabilities focus on blanking and gear cutting small and medium pitch gears and components. Our knowledge of machining and processing methods has provided quality output for over 50 years. The integration of a “build for quality” approach into our manufacturing processes provides the foundation for stable, reliable outcomes and is “The” key element in employee training programs. We look forward to hearing from you.

For more information call (763) 425-5247 or