Martin 4012 1/2 Bored-to-Size Roller Chain Sprocket Coupling Hub, 40 Chain, 1/2 in Bore Dia 12 Teeth, 2 in OD, 1.406 in Hub Dia, Steel
Martin Roller Chain Sprocket Coupling Hub, Bored-to-Size, Chain Number: 40, 1/2 in Bore Dia, 12 Teeth, 2 in Outside Dia, 1.406 in Hub Dia, 1/8 x 1/16 in Keyway, 5000 rpm Maximum, 1-1/8 in Hub Length, 1-1/8 in Length Through Bore, 10-24 x 3/16 in Screw, Steel
| Type | : | Bored-to-Size |
| Number of Teeth | : | 12 |
| Outside Diameter | : | 2 in |
| Material | : | Steel |
| Maximum Speed | : | 5000 rpm |
| Screw Size | : | 10-24 x 3/16 in |
| Length Through Bore | : | 1-1/8 in |
| Keyway Size | : | 1/8 x 1/16 in |
| Hub Length | : | 1-1/8 in |
| Chain Number | : | 40 |
| Hub Diameter | : | 1.406 in |