Description
High strength flange hex bolt in grade 10.9 with black finish, the integrated flange replaces a separate washer to distribute load evenly, ideal for steel structures, machinery and heavy equipment connections.
Grade 10.9 alloy steel delivers high tensile strength for heavy-duty joints; integrated flange saves assembly steps and resists loosening; black oxide finish for indoor and mildly corrosive environments; clear grade marking on the head for traceability.
| Parameter | Value |
|---|---|
| Material | Alloy steel |
| Grade | 10.9; 8.8 |
| Surface | Black oxide |
| Size Range | M8 - M24 |
| Head | Hex head with flange |
| Packing | Bulk bag; box; custom |
Faq
We are a professional manufacturer of fasteners, integrating production, R&D and export. We welcome customers to visit our factory.
Yes. We can produce custom bolts, nuts and non-standard parts according to your drawings, samples or technical requirements.
We supply carbon steel, stainless steel, alloy steel, nylon and other materials. Surface treatments such as zinc plating, hot-dip galvanizing are available.
For standard fasteners, small trial orders are acceptable. For customized non-standard products, MOQ depends on the production process.
Standard items usually take 7–15 days. Custom products will be confirmed based on drawings and order quantity.
Yes. We can offer material test certificates, dimension inspection reports and related documents to meet international standards.
We support T/T, L/C and other negotiable payment terms for international business.
Your request, our direction. We aim to bring you all the natural & healthy product,make happy life to the people in the world.
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