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Product Specifications:
| Item | Roller Chain Sprocket |
| Bore Dia. | 15/16" |
| Bore Type | Finished Bore |
| Chain Number | 80 |
| Chain Pitch | 1" |
| Chain Size | #80 |
| Construction | Solid |
| Construction Type | Solid |
| Finished Bore Size | 15/16" |
| For Chain Number | 80 |
| For Chain Pitch | 1" |
| Hub Configuration | A |
| Individually Packaged | No |
| Length Through Bore | 0.551" , 0.575" |
| Material | Steel |
| Min. Bore Size | 15/16" |
| No. Of Chain Rows | 1 |
| No. Of Teeth | 21 |
| Outside Dia. | 7.235" |
| Pitch | 1" |
| Pitch Dia. | 6.7095" , 6.71" |
| Set Screw Size | 1/4"-20 |
| Set Screw Thread Type | Coarse |
| Single Strand Tooth Thickness | 0.575" |
| Storage Dimension Height | 0.575" |
| Storage Dimension Length | 7.235" |
| Storage Dimension Width | 7.235" |
| Type | Stock Bore Type A |
Shipping Info:
| Ship weight (kg) | 2.2 |
| Ship height (cm) | 1.47 |
| Ship length (cm) | 18.39 |
| Ship width (cm) | 18.39 |
| Country of Origin | US |
Product Variants
| Product | Model | Material | Pitch Dia. | No. Of Teeth | Length Through Bore | Bore Dia. | Storage Dimension Width | Min. Bore Size | Storage Dimension Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
80A9 | Steel | 2.9238" | 9 | 0.575" | 15/16" | 3.348" | 15/16" | 3.348" | €50.97 | |
![]() |
80A10 | Steel | 3.236" | 10 | 0.575" | 15/16" | 3.678" | 15/16" | 3.678" | €52.07 | |
![]() |
80A11 | Steel | 3.55" | 11 | 0.575" | 15/16" | 4.006" | 15/16" | 4.006" | €54.27 | |
![]() |
80A12 | Steel | 3.864" | 12 | 0.575" | 15/16" | 4.332" | 15/16" | 4.332" | €56.18 | |
![]() |
80A13 | Steel | 4.179" | 13 | 0.575" | 15/16" | 4.657" | 15/16" | 4.657" | €60.84 | |
![]() |
80A14 | Steel | 4.494" | 14 | 0.575" | 15/16" | 4.981" | 15/16" | 4.981" | €62.22 | |
![]() |
80A15 | Steel | 4.81" | 15 | 0.575" | 15/16" | 5.304" | 15/16" | 5.304" | €64.68 |
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MARTIN SPROCKET 80A21 Sprocket, Stock Bore, 80 Chain, 21 Teeth, 6.710 Inch Pitch Dia., 7.235 Inch O.D., Steel
€94.71 /unit







