| After-sales Service: | 1 Years |
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| Warranty: | 1 Years |
| Certification: | ISO 9001:2000 |
| Samples: |
4-1/2 ~ 30 inch
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier Stop Collar is also called limit ring, stop ring, brake ring and so on. Used to limit the sliding of the centralizer or cement umbrella on the inner casing. There are slip-on stop collar, hinged spiral nail stop collar, hinged bolted stop collar and hinged set screw stop collar and so on.
| Specification(in) | ID(mm) | OD(mm) | Holding Force(kn) |
| 13 3/ 8" | 338 | 350 | 40 |
| 10 3/ 4" | 272 | 284 | 40 |
| 9 5/ 8" | 245 | 257 | 40 |
| 8 1/ 8" | 206 | 218 | 40 |
| 7 5/ 8" | 193 | 285 | 30 |
| 7" | 177 | 189 | 30 |
| 5 1/ 2" | 139 | 151 | 30 |
| 5" | 126 | 138 | 24 |
| 4 1/ 2" | 114 | 126 | 24 |
Suppliers with verified business licenses
Audited Supplier 
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