Custom gears
Internal Gears
Internal gears mesh with external pinions inside a compact envelope, ideal for planetary gearboxes and rotary drives. We produce internal gears by gear shaping with controlled concentricity and profile accuracy.
Applications
Where internal gears are used.
Proshine builds these components as custom, drawing-based projects — not retail catalog parts.
Gear pumps
Slewing drives and rotary tables
Gearboxes and reducers
Capabilities
What we machine for internal gears.
- Gear shaping up to tight diameters
- Internal tooth profile and lead control
- Runout and concentricity verification
- Material options from alloy steel to castings
Technical review
Checkpoints reviewed before production.
- Internal diameter and tip diameter
- Profile and lead tolerance
- Radial runout
- Tooth count and module
Related gear types
Explore more custom gear options.
Compare adjacent custom gear options for your application.
Request for quote
Move from technical review to a clear gear manufacturing RFQ.
Send drawings, material requirements, quantity, tolerance notes, and inspection expectations. Proshine will review the manufacturing scope before quotation.