| After-sales Service: | If There Is a Problem, Send New Drill Bits Free of |
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| Warranty: | 3 Year |
| Certification: | CE, RoHS, ISO 9001:2000, ISO 9001:2008 |
| Standard: | AISI, ASME, BS, ANSI, JIS, GB, GOST, ASTM, DIN |
| Surface Treatment: | Spray-Paint |
| Manufacturing Process: | Forging |
| Samples: |
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| Customization: |
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