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 304 316 410 |
| Size | M6-M48 |
| Grade | 6/8/10 |
| Head Style | Hexagonal |
| Standard | DIN6330 |
| Process | Cold Forming |
| Brand Name | QBH |
| Model Number | DIN6330 |
| 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 304 316 410 | Size | M6-M48 |
| Grade | 6/8/10 | Head Style | Hexagonal |
| Standard | DIN6330 | Process | Cold Forming |
| Brand Name | QBH | Model Number | DIN6330 |
| Certification | ISO9001 | Place of Origin | CHINA |
| High Light | DIN6330 hexagon thick nuts ，1.5D height hexagon nuts ，non standard thick fasteners | ||
Product Overview
The DIN 6330 standard specifies heavy-duty metric hexagon nuts characterized by a non-standard height of 1.5 times the nominal thread diameter (1.5D). This design represents a purpose-engineered variant within the family of hex fasteners, developed to deliver superior mechanical performance where standard nuts are inadequate. As a complement to common standards like DIN 934 or DIN EN ISO 4032, the DIN 6330 nut provides a thicker profile to increase thread engagement, enhance load distribution, and improve resistance to stripping and fatigue. Manufactured to precise dimensional and material property specifications, these nuts are a critical component in high-strength bolted connections subjected to dynamic loads, vibration, and high preload forces. Their application is widespread in sectors demanding uncompromising reliability, including structural engineering, heavy machinery, and transportation infrastructure.
| Style | Thick Hexagon Nut |
| Standard | DIN6330 |
| Size | M6-M48 |
| Class | 4, 6, 8, 10, 12 |
| Coating | Black, Zinc, HDG, Heat Treatment, Plain, etc. |
| Material | Stainless Steel & Carbon 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 |
Key Specifications
The standard dictates critical dimensions: nut height (m = 1.5D), width across flats, and thread tolerances. It is typically applied in conjunction with DIN 934 for material and mechanical property classes (e.g., Strength Grades 8, 10, or 12), ensuring defined yield and tensile strengths.
Primary Design Rationale
The increased height directly translates to a longer thread engagement length. This reduces stress concentration on the bolt threads, significantly improving resistance to stripping, fatigue failure, and vibration-induced loosening. The hexagon profile conforms to standard wrench sizes for tool compatibility.
Application Profile
These nuts are deployed in high-integrity bolted joints subject to dynamic loads, shear forces, or severe vibration. Typical use cases include heavy structural connections, critical machinery, rail and mining equipment, and high-strength bolting assemblies. They are specified where joint reliability and extended service life are critical performance parameters.
FAQ
1.What's your experience like?
Our general manager has been engaged in the export of fasteners since 2005.
Our team can provide you with professional fasteners selling and smooth export services.
2.How about your price?
High quality products with reasonable price. Please give me a inquire, We will quoted you a price for you
refer at once.
3. How do you control your quality?
We require the quality control department to inspect every production link of each shipment. And we can provide you MTC and mill certificate when the goods is finished.
4.How about your delivery time?
General speaking, if the goods is in stock, we can delivery them with 2-5days, If the quantity is 1-2container, we can give you with 18-25days,if the quantity is more than 2 container and you are very urgent, we can let factory priority produce
your goods.
5.What is your packing?
Our packing is 20-25kg for one carton,36 or 48pcs cartons for one pallet. One pallets is about 900-960kg, We also can make customer's logo on the cartons. Or we customized cartons according to customers'
requirement.
6.What is your payment term?
We can accept T/T,LC for general order ,Paypal and Western union for small order or samples order.
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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