Reverse Gear and Drive Gear Set With 12 Teeth, Internal Spline 6 Teeth, 20mm Spline Inner Diameter, 30mm Optical Axis Outer Diameter, 30mm Shaft Length, 2 Pack for DIY Projects, Robots, and Small Machinery

Two-Pack Reverse & Drive Gear Set: 12T, 20mm ID, 30mm OD
✔️ 2-pack includes 12-tooth gear, 6-tooth spline, 20mm ID, 30mm OD

This compact gear pair combines a reverse gear with a drive gear for small machines, robots, and DIY projects. It’s ideal for educational kits and compact gear trains requiring precise timing and alignment.

✅ Reverse gear and drive gear pair with 12 teeth for precise meshing
✅ Internal spline features 6 teeth for snug shaft engagement
✅ Spline inner diameter 20 mm matches common 20 mm shafts
✅ Optical axis outer diameter 30 mm and axis length 30 mm for alignment
✅ Pack of 2 pieces, ideal for DIY projects, small robots, and machinery
✅ Machined to tight tolerances for smooth operation and reduced backlash

💡 What is a gear set with 12 teeth and 6-tooth spline used for in small robotics?

This handy setup helps build compact drives and reliable gear trains. - Ideal for precise, small-scale gear trains - Works with 20 mm ID shafts and 30 mm OD components - Great for DIY robots, educational kits, and micro-machines