Martin 08B12 Type B Single Strand Solid Stock Bore Roller Chain Sprocket, 10 to 22 mm Dia Bore, 56.435 mm OD, #08B-1 Chain, 12 Teeth, 12.7 mm Pitch, Steel
Metric B style sprockets are flat sprockets with a hub extension on one side. These plain bore sprockets can easily be bored to a metric or standard size to fit your application. Keyways, set screws and harden teeth are quick alterations that can be made.
Martin Roller Chain Sprocket, Type B Single Strand Solid Stock Bore, 10 to 22 mm Bore, 56.435 mm OD, #08B-1 Chain, 12 Teeth, 12.7 mm Pitch, 49.069 mm Pitch Diameter, 34.341 mm Diameter Hub, 28 mm Length Through Bore, Steel
| Bore Diameter | : | 10 to 22 mm |
| Outside Diameter | : | 56.435 mm |
| Chain Size | : | #08B-1 |
| Number of Teeth | : | 12 |
| Pitch | : | 12.7 mm |
| Material | : | Steel |
| Type | : | Type B Single Strand Solid Stock Bore |
| Pitch Diameter | : | 49.069 mm |
| Hub Diameter | : | 34.341 mm |
| Length Through Bore | : | 28 mm |
VIDEO LINK
https://www.youtube.com/watch?v=fSomOMNB_-Q