Size 80 Chain Sprocket With Twenty One Teeth And One Quarter Inch Finished Bore Includes Keyway And Two Set Screws For Secure Mounting Precision Machined For Reliable Power Transmission In Machinery And Equipment

Single #80 chain sprocket, 21T, 1-1/4 bore w/ keyway
✔️ 21 teeth, #80 roller chain fit, 1-1/4 bore with keyway and 2 screws

This durable chain sprocket is built for dependable power transfer in drive systems. It is sized for #80 roller chain with a 21-tooth count and a 1-1/4 finished bore. The precise keyway and two set screws ensure secure mounting in conveyors, industrial machinery, and agricultural equipment.

✅ Bore: 1 1/4 finished bore with 1/4 x 1/8 keyway
✅ Chain size: #80 roller chain
✅ Teeth: 21 teeth
✅ Bore style: BS
✅ Keyway: 1/4 x 1/8
✅ Mounting: Includes 2 set screws

💡 What is a chain sprocket used for? This handy piece transfers rotational power to a chain drive in conveyors and machinery. - It matches #80 roller chain
- It helps set gear ratios with 21 teeth
- It mounts securely with a keyway and two set screws