| Part Number | 20TP4-21 |
| Type | TIMING PULLEY |
| No. Of Teeth | 21 |
| Bore | 1/4 |
| Outside Diameter | 1.316 |
| Material | Aluminum Anodized |
| Style | PIN HUB |
| Face | 1/4 |
| Pitch | 1.3369 |
| Hub Diameter | 0.75 |
| Set Screw Location | 0.5 |
| Mating Chain/Belt | Flex-E-Grip Belt 20TB Series |
| Catalog Section | A| Download Catalog Section |