Jiaxing City Qunbang Hardware Co., Ltd
| Payment Terms | L/C, T/T, Q/A |
| Supply Ability | 200TON/MONTH |
| Delivery Time | 30days |
| Packaging Details | 25kg Carton+900kg/Pallet |
| Material | stainless steel 304 316 |
| Size | M3-M20 |
| Grade | 10.9 |
| HS Code | 73181500 |
| Head Style | Hexagonal |
| Standard | DIN933 |
| Brand Name | QBH |
| Model Number | ISO4015 |
| Certification | ISO9001 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T, Q/A | Supply Ability | 200TON/MONTH |
| Delivery Time | 30days | Packaging Details | 25kg Carton+900kg/Pallet |
| Material | stainless steel 304 316 | Size | M3-M20 |
| Grade | 10.9 | HS Code | 73181500 |
| Head Style | Hexagonal | Standard | DIN933 |
| Brand Name | QBH | Model Number | ISO4015 |
| Certification | ISO9001 | Place of Origin | CHINA |
| High Light | ISO4015 reduced shank hex bolt ，high tensile stainless steel bolt ，auto parts hex bolt with warranty | ||
The ISO4015 Auto Parts Reduced Shank Hex Bolt is a high-strength fastener designed for critical automotive applications. Compliant with the ISO 4015 standard, its defining reduced shank (waisted shank) design enhances clamping force, reduces thread stress, and significantly improves fatigue and vibration resistance, making it ideal for demanding engine, drivetrain, and structural assemblies.
Design & Key Features
The core feature is the reduced shank, with a diameter smaller than the thread. This design concentrates elasticity in the shank for more reliable preload control and superior fatigue life. It features a standard ISO 4015 hexagon head for easy wrenching and is typically supplied partially threaded, with the unthreaded shank intended for clearance holes.
| Style | Hexagon Bolts |
| Standard | ISO8765 |
| Size | M8-M64 |
| Class | 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 |
| Coating | black, zinc, HDG, Heat treatment, plain, etc. |
| Material | Carbon steel & Stainless Steel |
| Packing | bulk/ boxes in cartons, bulk in poly bags/ buckets, etc. |
| Pallet | solid wood pallet, plywood pallet, ton box/bag, etc. |
| Shipment Port | Shanghai & Ningbo |
Materials & Specifications
Manufactured from medium carbon steel (Property Class 8.8) or high-strength alloy steel (10.9, 12.9). Available with protective finishes such as zinc plating or advanced Geomet® coatings for corrosion resistance and consistent clamping performance. Sizes cover common metric diameters (e.g., M6 to M16) in various lengths.
Primary Applications
Engineered for high-integrity automotive connections, including:
Engine components (e.g., connecting rods, covers)
Powertrain and drivetrain assemblies (transmissions, differentials)
Critical chassis, suspension, and steering system joints
Technical Compliance
Governed by ISO 4015 for dimensions and ISO 898-1 for mechanical properties. Correct installation using matched nuts and adherence to specified torque values is essential to utilize its performance benefits fully.
FAQ
Q:Are you a factory or trading company?
A: We are factories, mainly producing fasteners, such as nuts, bolts, screws and rods, and meanwhile, we also manage other hardware products.
Q: Where is your factory located? How can I visit there?
A: Our factory is located in Jiaxing City, Zhejiang Province with a good location and convenient transportation, which is next to Shanghai Port, Ningbo Port and Zhapu Port.
Q: How does your factory do regarding quality control?
A: "Quality is priority" we supervise each production link and we always attach great importance to quality controlling from the beginning to the end.
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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