| After-sales Service: | Online Support |
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| Warranty: | 3 Month |
| Certification: | ISO 9001:2000 |
| 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 High Quality 137mm Reverse Ciculation Drill Bits for Drilling
Suppliers with verified business licenses
Audited Supplier 
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