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| Material | C1022 |
| Dimension | Drawings or Samples |
| Head shapes | Flat head |
| Driver types | Robertson |
| Screw thread | Needle point |
| Finish | Green coated |
| Features | Good anti-corrosion ability |
| Case hardness | Not less than 450HV |
| Core hardness | 270HV~390HV |
| Certification | ISO9001:2008, SGS, RoHS, Bureau Veritas |
After-sale service | If there are any quality problems, please contact with us at once |




We are the professional Manufacturer of Fasteners, more than 15 years experience, ISO, RoHS, SGS,
Bureau Veritas Certificated, one hour reach Ningbo port, this is how we keep good quality and
reliable cooperation for global valued customers.
Our main products cover most of Self Tapping Screws, Deck Screws, Wood Screws, Self Drilling Screws, Machine Screws, Concrete Screws.
If any product meet your demand, please contact us. We are sure any your question will get our prompt reply.
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