Miniature Gearboxes

Using our miniature gears, Ondrives.US has designed and built unique precision miniature gearboxes that cannot be found anywhere else.

Bevel Box Cross Axis Helical 4 shaft Worm Box

Bevel Box

Cross Axis Helical

4 Shaft Worm Box

Flange Worm Box 2 shaft Worm Box Inline Spur

Flange Worm Box

2 Shaft Worm Box

Inline Spur

Worm Box Customer Miniature Gearboxes  

Compact Worm Box

Custom Gearboxes


Our standard miniature gearboxes are available in many styles including Worm and Wheel, Small Helical Gears, Small Bevel Gears, and Small Inline Spur Gears. We have also built very small custom precision miniature gearboxes for our customers and we offer that service to all our customers.

The links for our small gearboxes will also include the full range of frame sizes for that series of gearboxes.

The Ondrives.US Advantage:  Small is No Big Problem

  • Broadest selection of small gears
  • Greased for life
  • Ruggedly built
  • Modifications and special ratios available
  • Custom small gearboxes made to suit

Input and output shafts

Input and output shafts with drive key and retainer rings can be supplied to your specifications for any of our hollow bore gearboxes.  We offer a basic selection of single ended or double ended shafts to assemble in these gearboxes. All gearbox shafts are supplied with keys and retainer rings.

We have a broad selection of Misalignment Shaft Couplings in inch and metric bore sizes.

Inch and metric Precision Ground Shafts are available from stock.