DIN 21547 Half-Thread Semi-Round Head Oval Neck Bolt M20 M24
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Product Highlights
- DIN 21547 Standard Compliance: Meets German DIN 21547 standard for half-thread semi-round head oval neck bolts.
- Customizable Material Options: Available in Carbon Steel or Stainless Steel based on customer requirements.
- Multiple Surface Treatments: Options include Zinc Plated, Black Oxide, and Hot-dip Galvanized for corrosion resistance.
- OEM and ODM Services: Full customization support for logos, designs, and specific product requirements.
- High Strength Grades: Tensile strength grades 8.8 and 10.9 available according to material specifications.
- Precision Manufacturing: Ensures perfect fit and easy assembly for heavy-duty machinery and construction.
- Flexible MOQ Policy: No minimum order for stock items; 10,000 pcs MOQ for custom production.
- Fast Delivery Options: 10-15 days for stock items; approximately 30 days for custom production.
Product Attributes
- Customization
- Available
- Material
- ODM/OEM
- Type
- Hexagon Head
- Model NO.
- DIN21547
- 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
- Logo
- Customizable
- Delivery Time
- 4-40 Working Days
- Freight
- Real-Time Quotation
- MOQ
- Depends on The Size and Stock
- Transport Package
- Carton
- Specification
- ODM/OEM
- Trademark
- ODM/OEM
- Origin
- China
- HS Code
- 3926901000
- Production Capacity
- 1000tons/Month
- Package Size
- 10.00cm * 5.00cm * 5.00cm
- Package Gross Weight
- 0.500kg
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 DIN 21547 Half-Thread Semi-Round Head Oval Neck Bolt M20 M24
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DIN 21547 Half-Thread Semi-Round Head Oval Neck Bolt M20 M24 -
DIN 21547 Half-Thread Semi-Round Head Oval Neck Bolt M20 M24 -
DIN 21547 Half-Thread Semi-Round Head Oval Neck Bolt M20 M24 -
DIN 21547 Half-Thread Semi-Round Head Oval Neck Bolt M20 M24 -
DIN 21547 Half-Thread Semi-Round Head Oval Neck Bolt M20 M24 -
DIN 21547 Half-Thread Semi-Round Head Oval Neck Bolt M20 M24 -
DIN 21547 Half-Thread Semi-Round Head Oval Neck Bolt M20 M24
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Product Description
High-Quality Fastener for Reliable Industrial Applications
Our DIN 21547 half-thread bolts are precision-engineered to deliver superior strength, durability, and corrosion resistance. Ideal for heavy-duty machinery, automotive, and construction projects.
Applications
-
Automotive assembly and repair
-
Heavy machinery and equipment
-
Construction and structural engineering
-
Custom manufacturing projects
| Parameter | Specification | Notes |
|---|---|---|
| Standard | DIN 21547 | German Standard |
| Thread | Half-thread | Provides strong clamping without excess thread engagement |
| Head Type | Semi-Round | Smooth finish, easy to tighten |
| Neck Type | Oval | Reduces stress concentration |
| Material | Carbon Steel / Stainless Steel | Customizable on request |
| Surface Treatment | Zinc Plated / Black Oxide / Hot-dip Galvanized | Corrosion-resistant |
| Tensile Strength | 8.8 / 10.9 | According to material grade |
| Size Range | M6 - M20 | Other sizes available on request |
| Application | Machinery, Automotive, Construction | Heavy-duty fastening solutions |
-
Standard: DIN 21547
-
Thread Type: Half-thread
-
Head Type: Semi-round
-
Neck Type: Oval neck
-
Material Options: Carbon Steel, Stainless Steel
-
Surface Treatment: Zinc Plated, Black Oxide, Hot-dip Galvanized
-
High Strength: Meets industry-grade mechanical requirements
-
Precision Manufacturing: Ensures perfect fit and easy assembly
Choose us, choose quality. Your reliable partner in fastening solutions.
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.
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.
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
-
Dimensional inspection
-
Tensile & shear strength testing
-
Surface finish inspection
-
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
-
Stable quality and competitive pricing
-
Rich experience in DIN / ISO standards
-
One-stop fastener supply service
-
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
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port
-
Minimum Order Quantity
- 1 Piece
-
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
-
Production Lines
- 16
-
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
-
QA/QC inspectors
- 5 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- No
Our Industry Experience & Global Business Record
-
Export Year
- 0.5 year
-
Main Markets
- North America, Domestic
-
Number of Foreign Trading Staff
- 3
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
FAQ
- What is the minimum order quantity?
- Products in stock have no MOQ. If you need us to produce, the MOQ is 10,000pcs.
- Can you provide a sample?
- Sure, some samples are provided free of charge, but not including freight.
- How long is your delivery time?
- 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.
- What is your payment method?
- T/T, 30% deposit in advance, balance payment before loading. Order less than 5,000USD, 100% payment to reduce the bank charges.
- Can you customize the product according to the requirements of drawing sheets and so on?
- Yes, please feel free to talk more details with us and send us the design drafts.
Send your message to this supplier
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