#25 Chain Sprocket with 9mm Bore and 18 Teeth

Hardened steel sprocket for quarter inch (1/4″) roller chain. There is a 9mm bore with keyway, set screws and key.
Product Specifications
| Physical Properties | |
|---|---|
| Inner Diameter | 9 mm |
| Number of Teeth | 18 |
| Sprocket Series | # 25 |