Jiaxing City Qunbang Hardware Co., Ltd
| Payment Terms | L/C, T/T,OA |
| Supply Ability | 500TON/MONTH |
| Delivery Time | 30days |
| Packaging Details | 25kg Carton+900kg/Pallet |
| Material | Carbon steel |
| Size | M3-M56 |
| Surface treatment | Plain,Zinc,Black,H.D.G |
| Grade | 4/6/8/10.9/12.9 |
| Process | Cold Forging,Hot Forging |
| Sample | Free Sample |
| Brand Name | QBH |
| Model Number | BS4395 |
| Certification | ISO9001 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T,OA | Supply Ability | 500TON/MONTH |
| Delivery Time | 30days | Packaging Details | 25kg Carton+900kg/Pallet |
| Material | Carbon steel | Size | M3-M56 |
| Surface treatment | Plain,Zinc,Black,H.D.G | Grade | 4/6/8/10.9/12.9 |
| Process | Cold Forging,Hot Forging | Sample | Free Sample |
| Brand Name | QBH | Model Number | BS4395 |
| Certification | ISO9001 | Place of Origin | CHINA |
| High Light | high strength carbon steel bolt ，large hexagon steel bolt ，BS4395 hex bolt | ||
| Product name | HEAVY HEX BOLTS |
| Standard | BS4395 |
| Size | M12-M36 |
| Class | 10.9 |
| Finish | Z.P., B.Z.P.,PLAIN, BLACK, H.D.G., dacromet, geomet, nickle plated, mechanical zinc plated,ect. |
| Packing | bulk/boxes in cartons, bulk in poly bags/-buckets, etc |
| Pallet | solid wood pallet, plywood pallet, ton box/bag, etc. |
BS 4395 is a British Standard that specifies the requirements for high-strength steel bolts, large hexagon nuts, and plain washers for structural engineering. These fasteners are commonly known as "General Grade" or "Non-Preloaded" structural bolts, designed for use in bolted connections where shear forces are carried by the bolt itself.
The bolts are manufactured from medium carbon steel, which is heat-treated (quenched and tempered) to achieve high mechanical strength. The standard primarily covers Property Class 8.8, indicating a minimum tensile strength of 800 MPa and a minimum yield strength of 640 MPa. This high strength makes them suitable for critical, load-bearing applications.
These bolts feature a large hexagonal head. This design provides a larger bearing surface and allows for higher torque application with standard wrenches, ensuring a tight and secure fit. The large head distributes clamp force more effectively, reducing the risk of damage to the connected materials.
Company Details
Business Type:
Manufacturer,Trading Company,Seller
Year Established:
2014
Total Annual:
3000-4500
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Jiaxing City Qunbang Hardware Co., Ltd. (brand: QBH) is a fastener enterprise integrating production, design, sales, and after-sales service. The company is located in the Hangzhou-Jiaxing-Huzhou Plain, close to Shanghai, Ningbo, and Zhapu ports. Thanks to its superior geographical position and conv... Jiaxing City Qunbang Hardware Co., Ltd. (brand: QBH) is a fastener enterprise integrating production, design, sales, and after-sales service. The company is located in the Hangzhou-Jiaxing-Huzhou Plain, close to Shanghai, Ningbo, and Zhapu ports. Thanks to its superior geographical position and conv...
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