Phosphating black carbon steel anti-loosening and anti-rust screw is a screw with special surface treatment. It is made of carbon steel. Effect. The phosphating film can improve the corrosion resistance of the screw, increase the coefficient of friction, and reduce the possibility of loosening.
| Items | Details |
| Product Name | Carbon Steel CNC Turned Component |
| Standard Compliance | OEM Service |
| Thickness | 1-50mm |
| Certifications | IATF16949 2016; ISO9001 2015; ISO14001:2015; RoHS; REACH |
| Manufacturing Process | CNC Turning |
| Applications | Industrial Machinery, Automotive, Construction Equipment |
| Product Type | Precision Nonstandard Parts (OEM Service) |
| Material Options | Carbon Steel (e.g., 1045, 4140, 1018) |
| Packaging Details | Individually wrapped in VCI paper, then placed in carton boxes, or as per clients' specific requirements. |
| Additional Product Specifications | |
| Diameter Range | 5mm - 300mm |
| Length Range | 10mm - 500mm |
| Tolerance | ±0.005mm |
| Surface Roughness | Ra 0.4-3.2 |
| Heat Treatment | Available (Quenching, Tempering, Annealing) |
| Surface Finish | As machined, Black Oxide, Zinc Plated, Nickel Plated |
| Services | Items | Details |
| Shipping Port | Shenzhen or Hong Kong | |
| Production Lead Time | Quantity (pieces) 1 - 1,000 | 10 days |
| Quantity (pieces) > 1,000 | To be negotiated | |
| Customized logo | Min. order 100 | |
| Customization Services | Customized packaging | Min. order 500 |
| Graphic customization | Min. order 100 |
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