Nissei Corporation

Helical gearCustom-order gear

Helical gear


The tooth trace of a helical gear is twisted, so it improves the contact ratio and rotates smoothly and silently than a spur gear.
Especially, the contact pressure durability is improved greatly compared with a spur gear.

Catalog download

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Gear size Module 0.5 to 6
External diameter Up to about φ360 mm
Overall length Up to about 600 mm

*In some cases, we can provide a product exceeding these dimensions, so for details, contact us.

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Precision at processing

Helical gear precision JIS B1702 Grade 0 or higher
Examples used

Helical gear
Examples used

  • Reducer
  • Electric tool
  • Four-wheel transmission
  • Pipe cutter, etc.

Click here for other custom-order gears(Gears based on customer specifications)

  • Internal gear
  • Spiral bevel gear
  • Zerol bevel gear
  • Hypoid gear
  • HRH gear
  • Spur gear

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