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| Product Name | Weatherproof Blue Zinc Open Eye Screw Self Tapping Wood Hook Outdoor Applications |
| Available Size | M5-M50 or non-standard |
| Finish Options | Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Magni, Geomet, H.D.G., Electrophoresis etc. |
| Materials | Stainless Steel, Carbon Steel, Alloy Steel |
| Quality Grade | ASTM Gr.2 Gr.5, A325, Gr.8; Class 8.8, 10.9, 12.9; A2-70, A4-70, A4-80.etc |
| Testing Equipment | Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecte... |
| Application | Machinery, Chemical Industry, Environmental, Building |
We ensure that every bolt and nut produced meets or exceeds international standards and specific customer requirements. Regarding appearance, size, hardness, coating thickness, and tensile strength, we strictly control all aspects internally. We provide traceable inspection reports for all batches.
