We are a professional supplier of high-quality fasteners, committed to delivering premium quality and exceptional service. Our products have been widely distributed across Europe, East Asia, North America, the Middle East, and other regions around the world.
Our company offers a wide range of hex bolts, including standard hex bolts, ASTM A490 hex bolts, non-standard hex bolts made from various materials, customized stainless steel hex head bolts (A2-70), carbon steel non-standard hex bolts, stainless steel non-standard hex bolts, galvanized non-standard hex bolts, zinc-plated non-standard hex bolts, as well as nuts, screws, washers, and more.
If you are interested in our products, feel free to contact us by phone or email for a quote or stock inquiry. We are always ready to assist you with your specific requirements.
Here is a detailed product specification:
| **Name** | Black Heavy Hex Structural Bolt ASTM A490 |
|----------|-------------------------------------------|
| **Place of Origin** | Jiaxing, Zhejiang, China |
| **Size** | M3–M60 or non-standard as per request/design |
| **Finish** | Plain, Zinc Plated, Black Oxide, Hot Dip Galvanized, etc. |
| **Head Type** | Hexagon Head |
| **Material** | Stainless Steel, Carbon Steel, Alloy Steel, etc. |
| **Grade** | A2-70, A4-80, 4.8, 8.8, 10.9, 12.9, etc. |
| **Standard** | GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS, etc. |
| **Non-standards** | OEM available, based on drawings or samples |
| **Samples** | Free samples available |
| **Packaging** | Bulk in master cartons, then on pallets, or as per customer’s request |
| **Payment Terms** | T/T |
We take pride in our quality control and customer satisfaction. Whether you need standard or custom fasteners, we are here to provide reliable solutions tailored to your needs. Don’t hesitate to reach out—we look forward to working with you!
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