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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Diameter | 12 mm |
| Material | Steel |
| No. Of Teeth | 21 |
| Number Of Teeth | 21 |
| Outside Dia. | 92.577 mm |
| Pitch | 12.7 mm |
| Pitch Dia. | 85.211 mm |
| Product Datasheet | martin-sprocket-06a15.pdf |
Shipping Info:
| Ship weight (kg) | 0.26 |
| Ship height (cm) | 2.79 |
| Ship length (cm) | 9.25 |
| Ship width (cm) | 9.25 |
| Country of Origin | US |
Documentation:
Product Variants
| Product | Model | Pitch Dia. | Outside Dia. | Number Of Teeth | Length Through Bore | Pitch | Price | |
|---|---|---|---|---|---|---|---|---|
![]() |
08A12 | 49.069 mm | 56.435 mm | 12 | 5.309 mm | 12.7 mm | €68.39 | |
![]() |
08A13 | 53.068 mm | 60.434 mm | 13 | 28 mm | 12.7 mm | €69.45 | |
![]() |
08A14 | 57.073 mm | 64.439 mm | 14 | 28 mm | 12.7 mm | €72.39 | |
![]() |
08A15 | 61.084 mm | 68.45 mm | 15 | 28 mm | 12.7 mm | €73.44 | |
![]() |
08A16 | 65.098 mm | 72.464 mm | 16 | 28 mm | 12.7 mm | €73.44 | |
![]() |
08A17 | 69.116 mm | 76.482 mm | 17 | 28 mm | 12.7 mm | €76.15 | |
![]() |
08A18 | 73.136 mm | 80.502 mm | 18 | 5.309 mm | 12.7 mm | €76.15 |
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MARTIN SPROCKET 08A21 Roller Chain Sprocket, 21 Teeth, 85.211 mm Pitch Dia., 92.577 mm O.D., Steel
€81.18 /unit







