Hongniu Fasteners DIN931 Hex Head Coarse Thread Partially Threaded Bolt High Quality Metric Fastener
Product Specifications
- Martreial
- Finish
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Product Highlights
- High Strength Options: Available in Carbon Steel 4.6-8.8, Alloy Steel 10.9-12.9, and Stainless Steel A2-70/A4-80.
- DIN 931 Standard: Partially threaded hex head bolts with coarse threads, ensuring dimensional accuracy and international compatibility.
- Wide Size Range: Diameter M5-M36 and Length 10-300mm to meet diverse mechanical and construction needs.
- Multiple Finishes: Plain, Zinc Plated, Black Oxide, and Hot Dip Galvanized options for various corrosion resistance levels.
- OEM/ODM Support: Customization from samples or design drafts supported with professional technical assistance.
- Fast Delivery: 10-15 days for stock items; around 30 days for production based on quantity.
- Quality Assurance: Strict inspection including tensile/shear strength testing and random sampling before shipment.
- Versatile Applications: Ideal for construction, machinery assembly, automotive, and heavy industry projects.
Product Attributes
- Customization
- Available
- Material
- ODM/OEM
- Type
- Hexagon Head
- Model NO.
- DIN931
- Connection
- Common Bolt
- Head Style
- Hexagonal
- Standard
- DIN, ANSI, GB, JIS, BSW, GOST
- Grade
- ODM/OEM
- Application
- Machinery, Chemical Industry, Environmental, Building
- Finish
- ODM/OEM
- Freight
- Real-Time Quotation
- Shipping Time
- 4-40 Working Days
- Production Time
- 0-35 Working Days
- MOQ
- Depends on The Size and Stock
- Transport Package
- Carton Package
- Specification
- ODM/OEM
- Trademark
- ODM/OEM
- Origin
- China
- Package Size
- 23.00cm * 23.00cm * 25.00cm
- Package Gross Weight
- 23.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Hongniu Fasteners DIN931 Hex Head Coarse Thread Partially Threaded Bolt High Quality Metric Fastener
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Hongniu Fasteners DIN931 Hex Head Coarse Thread Partially Threaded Bolt High Quality Metric Fastener -
Hongniu Fasteners DIN931 Hex Head Coarse Thread Partially Threaded Bolt High Quality Metric Fastener -
Hongniu Fasteners DIN931 Hex Head Coarse Thread Partially Threaded Bolt High Quality Metric Fastener -
Hongniu Fasteners DIN931 Hex Head Coarse Thread Partially Threaded Bolt High Quality Metric Fastener -
Hongniu Fasteners DIN931 Hex Head Coarse Thread Partially Threaded Bolt High Quality Metric Fastener -
Hongniu Fasteners DIN931 Hex Head Coarse Thread Partially Threaded Bolt High Quality Metric Fastener -
Hongniu Fasteners DIN931 Hex Head Coarse Thread Partially Threaded Bolt High Quality Metric Fastener
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Product Description
DIN 931 Hex Head Bolt - Coarse Thread
Product Overview
DIN 931 Hex Head Bolts are partially threaded fasteners with coarse threads, widely used in mechanical engineering, construction, automotive, and industrial assembly.
Designed for high strength, reliable fastening, and easy installation, these bolts are suitable for applications requiring shear strength and precise clamping.
Our DIN 931 bolts are manufactured in strict accordance with DIN standards, ensuring dimensional accuracy, stable quality, and international compatibility.
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Standard: DIN 931 (Partially Threaded)
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High Strength & Durability
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Easy Installation with Standard Hex Tools
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Widely Used in Global Industrial Applications
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Compatible with DIN / ISO / EN Systems
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Custom Packaging & Bulk Supply Available
| Item | Description |
|---|---|
| Product Name | Hex Head Bolt |
| Standard | DIN 931 |
| Thread Type | Coarse Thread |
| Thread Form | Partial Thread |
| Diameter Range | M5 - M36 |
| Length Range | 10 mm - 300 mm |
| Thread Direction | Right Hand |
| Head Type | Hex Head |
| Tolerance | As per DIN 931 |
| Surface Finish | Plain, Zinc Plated, Black Oxide, Hot Dip Galvanized |
| Material Options | Carbon Steel, Alloy Steel, Stainless Steel |
Carbon Steel | 4.6 / 5.6 / 8.8 | General industrial use
Alloy Steel | 10.9 / 12.9 | High-strength applications
Stainless Steel | A2-70 / A4-80 | Corrosion-resistant environments
Surface Treatment Options
| Finish | Features |
|---|---|
| Plain (Self Color) | Cost-effective, no coating |
| Zinc Plated | Corrosion resistance, bright appearance |
| Black Oxide | Anti-rust, industrial look |
| Hot Dip Galvanized | Heavy-duty outdoor corrosion protection |
Applications
DIN 931 Hex Head Bolts are widely used in:
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Construction & Steel Structures
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Machinery & Equipment Assembly
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Automotive & Truck Manufacturing
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Heavy Industry & Engineering Projects
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Energy, Infrastructure & OEM Production
Support the production and customization of various fasteners.
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
-
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
-
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.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI2441106". Items marked "
" are certified.
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Company Profile
Yangzhou Hongniu Import and Export Co., Ltd. is an integrated enterprise specializing in both industry and trade. With over 20 years of experience in the industry, the factory ranks among the top ten in China for standard parts and non-standard hardware processing. The company's main business includes automotive parts, standard parts, non-standard parts, hydraulic components, pressure pipeline elements, mechanical production, sales, and metal heat treatment. It primarily serves industries such as auto parts, metallurgy, shipbuilding, heavy industry, agricultural machinery, and furniture. The factory provides integrated services for research and development, design, production, inspection, and after-sales service. It is equipped with various processing equipment, machining centers, heat treatment equipment, cold heading machines, gear hobbing machines, and other equipment. For over 20 years, the factory has adhered to the principle of putting product quality and service first. It holds certifications such as IATF16949, GB/T24001-2016, ISO14001-2015, GB/TS45001-2020, among others.
About Our Factory & Business Background
- Address
- Yangzhou, Jiangsu, China
-
Terms of Payment
- LC, T/T, PayPal, D/P, Western Union, Small-amount payment
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International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
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Average Lead Time
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Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port
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Minimum Order Quantity
- 1 Piece
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Supply Chain Partners
- 30
Our Production Capability & Technical Expertise
- Main Products
- Bolts & Nuts, Screws, Rivets, Parallel Keys & Pins, Washers/Gaskets, Auto Parts, CNC Products, Non Standard Products, Anchors, Fasteners
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Production Lines
- 16
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Production Machines
- Parts Washer, Acid Pickling and Parkerising Line, Gear Rolling Machine, Gear Rolling Machine, Automatic Sawing Machine, Sawing Machine, Drawing Machine, Heat Treatment Line, Pit Furnace, Automatic Drawing Machine, Screwing Machine, Grinding Machine, CNC Lathe, Drilling Machine, Milling Machine, Punching Machine, Shot Blasting Machine, Mechanical Arm, CNC Center, Automatic Packing Line
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QA/QC inspectors
- 5 people
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Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
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Inspection Method for Finished Products
- Have instructions and uniformly followed
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Customization Options
- Customization from Samples, Customization from Designs
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ODM Service Available
- Yes
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OEM Service Available
- Yes
-
R&D Engineers
- 1 people
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Traceability of Raw Materials
- No
Our Industry Experience & Global Business Record
-
Export Year
- 0.5 year
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Main Markets
- North America, Domestic
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Number of Foreign Trading Staff
- 3
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Overseas Agent/Branch
- No
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New Products Launched in Last year
- No
FAQ
- What is the minimum order quantity?
- Products in stock have no MOQ. For production orders, the MOQ is 10,000 pcs.
- Can you provide samples?
- Yes, some samples are provided free of charge, but the customer must cover the freight cost.
- What is the delivery time?
- Generally 10-15 days if products are in stock. For production, it takes around 30 days depending on quantity.
- What are the payment terms?
- T/T with 30% deposit in advance and balance payment before loading. For orders under 5,000 USD, 100% payment is required to reduce bank charges.
- Do you support customization?
- Yes, we support OEM/ODM. You can send design drafts or samples, and we will customize the products according to your requirements.
- What materials are available?
- We offer Carbon Steel (4.6/5.6/8.8), Alloy Steel (10.9/12.9), and Stainless Steel (A2-70/A4-80).
- What surface finishes are available?
- Options include Plain, Zinc Plated, Black Oxide, and Hot Dip Galvanized for different corrosion protection needs.
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