The US Tsubaki 10B18F-1G is an 18-tooth British Standard sprocket with 1-7/16 inch finished bore and hardened teeth. Designed for #10 (10B) British Standard roller chain, this precision-machined sprocket features heat-treated teeth for extended wear life in power transmission applications. The finished bore eliminates additional machining requirements for immediate installation.
| Bore | 1-7/16" |
| Chain Size | #10 |
| Teeth | 18 |
| Type | British Standard Finished Bore Harden Teeth |