DIN 7990 Low Strength Structural Bolt Assembly (Bolt & Nut Set for Steel Structures)
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| Customization: | Available |
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| Standard: | DIN, ANSI, GB, JIS, BSW |
| Material: | ODM/OEM |
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Basic Info.
- Model NO.
- DIN 7990
- Connection
- Common Bolt
- Surface Treatment
- ODM/OEM
- Type
- Hexagon Head
- Groove
- Cross
- Head Style
- Hexagonal
- Grade
- 8.8
- Dimensions
- Customized
- Surface Finishing
- Plain
- Delivery
- 7-25days
- Transport Package
- Carton
- Specification
- M4-M20
- Trademark
- Hongniu
- Origin
- China
- HS Code
- 3926901000
- Production Capacity
- 1000tons/Month
Packaging & Delivery
- Package Size
- 10.00cm * 5.00cm * 5.00cm
- Package Gross Weight
- 0.500kg
Product Description
DIN 7990 Low Strength Structural Bolt Assembly
(Bolt & Nut Set for Steel Structures)
Reliable fastening solution for steel structures and general construction, designed for applications where controlled strength, easy installation, and cost efficiency are required.
DIN 7990 bolt assemblies are widely used in steel frames, light structural connections, industrial buildings, and non-preloaded joints.
The DIN 7990 Low Strength Structural Bolt Assembly consists of a hex head bolt and matching hex nut, manufactured according to DIN standards to ensure dimensional accuracy and stable mechanical performance.
Unlike high-strength structural bolts, DIN 7990 assemblies are non-preloaded, making them ideal for applications where flexibility, easy maintenance, and economical installation are important.
Key Features & Benefits
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Manufactured according to DIN 7990 standard
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Bolt & nut supplied as a complete set
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Designed for non-preloaded steel connections
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Stable quality with consistent dimensions
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Easy installation and removal
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Cost-effective solution for large-scale projects
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Suitable for indoor and outdoor applications (with coating options)
| Item | Description |
|---|---|
| Standard | DIN 7990 |
| Product Type | Low Strength Structural Bolt Assembly |
| Components | Hex Head Bolt + Hex Nut |
| Bolt Head Type | Hex Head |
| Thread Type | Metric Thread |
| Strength Class | Low Strength (as per DIN 7990) |
| Installation | Non-preloaded connection |
Material Options
| Component | Material |
|---|---|
| Bolt | Carbon Steel |
| Nut | Carbon Steel |
| Optional | Stainless Steel (upon request) |
Surface Finish Options
| Finish | Description |
|---|---|
| Black Oxide | Basic protection, indoor use |
| Zinc Plated (Blue / White) | Standard corrosion resistance |
| Hot Dip Galvanized (HDG) | Heavy corrosion protection, outdoor use |
| Other Coatings | Available upon request |
Available Sizes
| Bolt Diameter | Bolt Length | Thread |
|---|---|---|
| M12 | 30-120 mm | Metric |
| M16 | 40-160 mm | Metric |
| M20 | 50-200 mm | Metric |
| M22 | 60-220 mm | Metric |
| M24 | 60-240 mm | Metric |
| Custom Sizes | Available upon request | - |
Typical Applications
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Steel structure connections
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Industrial buildings
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Warehouses & workshops
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Light load-bearing frames
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Bridges & auxiliary steel components
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General construction projects
Choose us, choose quality. Your reliable partner in fastening solutions.
In Chinese, "Hongniu" means strength and excellence.
Our products live up to our name - high-quality fasteners that take your products to the next level.
Cooperative Partners
Hongniu Fasteners
Business cooperation is based on honesty and trust.
We will do our utmost to be your reliable and long-term supplier, safeguarding the quality of your products.
Our relationship is not merely that of a buyer and a seller - we are partners who depend on each other to create both wealth and reputation.
| Finish | Description |
|---|---|
| Natural / Plain | No surface treatment |
| Zinc Plated | Corrosion protection |
| Black Oxide | Industrial appearance |
| Painted | Custom colors available |
| Anodized | For aluminum rivets |
Quality Control
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Incoming material inspection
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Dimensional inspection
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Tensile & shear strength testing
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Surface finish inspection
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Random sampling before shipment
Packaging & Delivery
| Item | Details |
|---|---|
| Packaging | Small boxes / cartons / pallets |
| Custom Packaging | Available |
| MOQ | Negotiable |
| Delivery Time | 15-30 days |
| OEM / ODM | Supported |
Why Choose Us
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Professional fastener manufacturer & exporter
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Stable quality and competitive pricing
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Rich experience in DIN / ISO standards
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One-stop fastener supply service
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Fast response & technical support
It was founded in June 2000 and is located in Tangzhuang Town Industrial Park, Gaoyou City, with convenient transportation.
The company covers an area of 35000 square meters and currently has over 300 employees, including 70 high-level and intermediate professional and technical personnel. Registered capital: 20 million yuan, total assets: 78 million yuan, and fixed assets: 56 million yuan.
Widely used in industries such as aerospace, machinery, wind power, textiles, automotive manufacturing, petroleum, forging, etc.
We have maintained cooperative relationships with dozens of large and medium-sized enterprises in China, and are highly valued by our customers due to our good reputation and excellent quality.
Please feel free to talk more with Gianna about fasteners
Please feel free to talk more with us!
Q1: What is the minimum order quantity?
A1: Products in stock with no MOQ. If you need us to produce, the MOQ is 10,000pcs.
Q2: Can you provide a sample?
A2: Sure, some samples are provided free of charge, but not including freight.
Q3: How long is your delivery time?
A3: Generally, it is 10-15 days if the products are in stock. or it is around 30 days to produce, and it is according to quantity.
Q4: What is your payment method?
A4: T/T, 30% deposit in advance, balance payment before loading. Order less than 5,000USD, 100% payment to reduce the bank charges.
Q5: Can you customize the product according to the requirements of drawing sheets and so on?
A5: Yes, please feel free to talk more details with us and send us the design drafts.
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