6 Pieces 100mm Stainless Steel D Hole Shaft Axles For Wheels Gears And Drive Systems Beefed Up Secure Replaceable DIY Robot Parts For Toy Cars And Industrial Kits
✔️ Six-pack, 100 mm (3.94 in) long, 4.75 mm (0.187 in) dia.
These D-shaped shaft axles are precision stainless steel components designed to connect wheels and gears to drive systems in DIY robotics, toy cars, and industrial kits. The D-profile prevents slipping and ensures stable motion transfer under load.
✅ Six axles per pack for multiple projects
✅ 4.75 mm diameter (0.187 in) and 100 mm length (3.94 in)
✅ Made from high-hardness 304/303 stainless steel for corrosion resistance
✅ Fine-ground outer surface for snug fit with collars or bushings
✅ Lightweight at ~12.9 g each for easy handling
💡 What is a D-shaped shaft axle used for in robotics and hobby gear systems?
Here's a handy answer for common buyers:
- Used to securely transfer motion from a motor to wheels or gears with a non-slip fit.
- Handy for DIY robotics, toy cars, and hobby kits that need reliable motion.
- The D-shaped profile prevents rotation and keeps collars and bushings aligned for smooth operation.
- Stainless steel construction (304/303) resists corrosion in demanding setups.