Reverse Gear And Drive Gear Set With 12 Teeth Internal Spline 6 Teeth Spline Inner Diameter 20mm Optical Axis Outer Diameter 30mm Optical Axis Length 25mm Two Pieces Per Lot

Reverse and Drive Gear Set with 12-Teeth and 6-Teeth Splines
✔️ 2 pcs per lot; OD 30mm, ID 20mm, axis length 25mm and inner dia 20mm

This gear pair combines a reverse gear and a drive gear designed for compact mechanical setups. It’s commonly used in small robotics, model CNC projects, and other tight-space transmission assemblies where precise spline alignment matters.

✅ 12 teeth gear and 6 teeth internal spline
✅ Internal spline size: 6 teeth; inner diameter 20mm
✅ Outer diameter (optical axis) 30mm; axis length 25mm
✅ Pack size: 2 pieces per lot

💡 What is a gear drive set used for in small machines and robotics?

It’s handy for transmitting motion in tight spaces with reliable engagement.

- precise torque transfer in compact gear trains - handy for robotics and small CNC projects - compatible with 20mm ID and 30mm OD splines - improves reliability in micro gear assemblies