Spiro Gears can make and offer from small to large diameter external ring gears for injection moulding machines, large gear drives etc.
These gears are either soft or just hardened upto 30-35 HRc. Gears are precisely cut on gear hobbing or shaping machines.

Capabilities :
Diameter: max upto 800 mm
Face width: max upto 50 mm
Module: 1.50 to 7.0 mm