Hardened Black Oxide #40 Sprocket 18 Tooth With 5/8 Inch Finished Bore And Keyway For Smooth Chain Drive Roller Link Mechanical Power Transmission System Upgrade

Upgrade Your Machine With 18 Tooth #40 Sprocket 5/8 Bore
✔️ 18 Teeth 5/8 Inch Bore With Keyway Hardened Carbon Steel Finish

This precision drive component connects to shafts for robust industrial power transmission setups.

✅ Fits standard #40 roller chain for consistent engagement and reliability
✅ Hardened black oxide coating offers excellent rust protection in tough environments
✅ Includes one steel key and two set screws for immediate slip-free setup

💡 How do I select the right bore size for a mechanical sprocket?
Choosing the correct fit ensures smooth operation and prevents wear on your equipment quickly.
- Match the sprocket bore diameter to your existing shaft specifications accurately
- Ensure the keyway aligns perfectly with your drive shaft for proper torque transfer
- Verify the #40 chain pitch matches the tooth profile for maximum lifespan