Hongniu Fasteners DIN137A Saddle Spring Washer High-Quality Curved Spring Gasket for Vibration Resistance and Preload Control
Product Specifications
- Material
- Grade
- Finish
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Product Highlights
- Vibration Resistance: Curved saddle shape absorbs vibration and prevents loosening under dynamic loads.
- DIN 137 A Standard: Meets DIN 137 A standard for stable quality and global acceptance in fastening.
- Surface Protection: Protects surfaces of wires and rods from damage while providing elastic preload.
- Material Options: Available in Carbon Steel and Stainless Steel (A2, A4) with various finishes.
- OEM & ODM Support: Supports customization of thickness, diameter, and packaging based on drawings.
- Wide Application: Ideal for electrical installations, automotive assemblies, and machinery fastening.
- Quality Assurance: Strict inspection including dimensional, tensile, shear strength, and surface finish.
- Professional Manufacturer: Established in 2000 with over 300 employees and 16 production lines.
Product Attributes
- Customization
- Available
- Type
- Spring Washer
- Material
- ODM/OEM
- Model NO.
- DIN137A
- Combination Washer Structure
- ODM/OEM
- Combination Washer Packaging
- ODM/OEM
- Spring Washer Type
- ODM/OEM
- Shipping Time
- Around 7-40 Days
- Freight
- Real-Time Quotation
- Thickness
- ODM/OEM
- Dia
- ODM/OEM
- Transport Package
- Carton Package
- Specification
- ODM/OEM
- Trademark
- ODM/OEM
- Origin
- China
- Package Size
- 35.00cm * 20.00cm * 20.00cm
- 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 DIN137A Saddle Spring Washer High-Quality Curved Spring Gasket for Vibration Resistance and Preload Control
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Hongniu Fasteners DIN137A Saddle Spring Washer High-Quality Curved Spring Gasket for Vibration Resistance and Preload Control -
Hongniu Fasteners DIN137A Saddle Spring Washer High-Quality Curved Spring Gasket for Vibration Resistance and Preload Control -
Hongniu Fasteners DIN137A Saddle Spring Washer High-Quality Curved Spring Gasket for Vibration Resistance and Preload Control -
Hongniu Fasteners DIN137A Saddle Spring Washer High-Quality Curved Spring Gasket for Vibration Resistance and Preload Control -
Hongniu Fasteners DIN137A Saddle Spring Washer High-Quality Curved Spring Gasket for Vibration Resistance and Preload Control -
Hongniu Fasteners DIN137A Saddle Spring Washer High-Quality Curved Spring Gasket for Vibration Resistance and Preload Control -
Hongniu Fasteners DIN137A Saddle Spring Washer High-Quality Curved Spring Gasket for Vibration Resistance and Preload Control
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Product Description
The DIN 137 A Saddle Spring Washer is a curved spring washer designed to provide elastic preload, vibration resistance, and secure positioning for round wires, rods, and soft materials.
Widely used in electrical installations, automotive assemblies, machinery, and general engineering, it ensures reliable fastening even under dynamic loads.
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DIN 137 A Standard - stable quality and global acceptance
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Curved Saddle Shape - evenly distributes load on round surfaces
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Spring Function - absorbs vibration and prevents loosening
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Ideal for Wires & Rods - protects surfaces from damage
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Multiple Materials & Finishes Available
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OEM & Custom Packing Supported
| Item | Description |
|---|---|
| Product Name | Saddle Spring Washer |
| Standard | DIN 137 A |
| Type | Type A (Curved Saddle) |
| Material | Carbon Steel / Stainless Steel (A2, A4) |
| Surface Finish | Plain, Zinc Plated (Blue / White), Black Oxide |
| Hardness | According to DIN Standard |
| Size Range | M3 - M20 (or customized) |
| Application | Wire fixing, rod fastening, vibration resistance |
| Function | Elastic preload & anti-loosening |
| Manufacturing Process | Stamping |
| Origin | China |
Applications
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Electrical cable and wire fixing
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Automotive components
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Machinery and equipment assembly
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Construction and industrial fastening
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Spring-loaded connections
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
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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.
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
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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
-
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, the MOQ is 10,000 pcs.
- Can you provide samples?
- Yes, some samples are provided free of charge, but freight costs are not included.
- What is the delivery time?
- 10-15 days for in-stock items; approximately 30 days for production, depending on quantity.
- What are the payment methods?
- T/T with 30% deposit and balance before loading. For orders under $5,000, 100% payment is required.
- Is customization available?
- Yes, we support OEM and ODM customization based on your drawings and requirements.
- What materials are used?
- We use Carbon Steel and Stainless Steel (A2, A4) with finishes like Zinc Plated or Black Oxide.
- What is the size range?
- Standard sizes range from M3 to M20, with customized options available upon request.
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