Helical Gears

Koro Industries specializes in hobbing helical gears.

Custom Gear Manufacturing

Fine and Medium Pitch Gears

Precision Gears

We provide helical gear hobbing services.  Koro manufactures helical gears complete or will cut helical gear teeth on customer supplied blanks.  We make helical gears for the following industries:  aviation, defense and aerospace instrumentation, commercial, energy, general industry and equipment, healthcare, leisure, musical instrument, power tool, scientific research and transportation. Koro manufactures helical gears and helical gear sets using modern machining methods to customer specifications.

To develop and maintain supportive relationships with our customers is important to us. We work closely with them to understand their product requirements and to produce gears of the highest quality. Allow our 50 plus years of manufacturing experience to provide you with dependable quality workmanship.

This product category includes: helical gears, helical gear shafts, helical gear sets, helical gear and worm sets, helical gear pinions, helical flat gears, helical hub gears, crossed axis helical gears, helical rack gears, metric helical gears, planetary helical gears, helical face gears, and helical gear teeth cut on customer supplied blanks.

Koro Industries:  Helical Gears and Helical Gear Set Manufacturing Capabilities

  • We manufacture to your specifications
  • Overall Length (helical gears and shafts) – Up to 14 inches long
  • Diametral Pitch (helical gears and shafts) –200 – 8 D.P.
  • Pressure Angle (helical gears and shafts) – Nearly any angle that can be produced with a hob.
  • Module (helical gears and shafts) – 0.15 to 2.00 module
  • Precision Gear Manufacturing to AGMA and Equivalent Quality Levels.
  • Helical Gears Types: Helical gear shafts, helical hub gears, helical gear pinions, helical rack gears, helical gear sets, crossed helical gears, helical planetary gears, helical face gears, helical flat gears, metric helical gears, complex or mixed type gears containing helical gears
  • Helical gears made complete or helical gear teeth cut on customer provided blanks
  • All Types Of Helical Gear Sets: Worm and helical gear sets, rack and pinion sets
  • 50 + Years Of Experience Using All Materials Including: Aluminum, brass, bronze, delrin, nylon, glass filled nylon, plastic, polymers, stainless steel, steel alloys, titanium.
  • We use a variety of manufacturing methods including: CNC Turning, CNC Milling, CNC gear cutting, conventional helical gear hobbing, burnishing, broaching, etc.
  • Prototype, Small and Large Volume Production Runs

For more information call (763) 425-5247 or