DIN7349 Carbon Steel Heavy Duty Flat Washer
DIN7349 carbon steel heavy duty flat washer is a robust fastening accessory designed for high-load bolted connections, spacer applications, and mechanical assemblies requiring enhanced support performance. The DIN7349 carbon steel heavy duty flat washer features a thick structure and larger bearing surface, providing improved load distribution and reducing stress concentration between fasteners and connected components.
Manufactured from high-quality carbon steel, the DIN7349 carbon steel heavy duty flat washer offers excellent mechanical strength, wear resistance, and stable performance in industrial environments. It is widely used in machinery, construction equipment, agricultural machinery, and heavy-duty fastening systems.
Product Overview
The DIN7349 carbon steel heavy duty flat washer is engineered for applications where standard washers cannot provide sufficient load support. Its increased thickness and reinforced structure help distribute clamping forces evenly, improving connection reliability.
Compared with conventional flat washers, the DIN7349 carbon steel heavy duty flat washer provides greater resistance to deformation under high tightening loads. It is commonly installed with bolts, studs, and threaded fasteners in demanding mechanical assemblies.
As a reliable industrial fastener accessory, it is widely selected by OEM manufacturers, equipment builders, machinery suppliers, and engineering contractors requiring durable fastening solutions.
Product Specifications
| Item | Description |
|---|---|
| Standard | DIN7349 |
| Product Name | DIN7349 Carbon Steel Heavy Duty Flat Washer |
| Material | Carbon Steel |
| Washer Type | Heavy Duty Flat Washer |
| Shape | Round Thick Washer |
| Size Range | M5–M30 |
| Inner Diameter | According to DIN7349 Standard |
| Outer Diameter | According to DIN7349 Standard |
| Thickness | Heavy Duty Design |
| Surface Finish | Plain / Black Oxide / Zinc Plated |
| Installation Type | Bolt and Stud Assembly |
| Packaging | Bulk / Carton / OEM Packaging |
| Customization | Size, material, finish available |
Technical Parameters
| Parameter | Value |
|---|---|
| Material Grade | Carbon Steel |
| Tensile Strength | According to material grade |
| Yield Strength | According to material grade |
| Hardness | Controlled according to requirement |
| Density | Approx. 7.85 g/cm³ |
| Wear Resistance | Good |
| Corrosion Resistance | Depends on surface treatment |
| Load Capacity | Higher than standard flat washers |
| Manufacturing Standard | DIN7349 |
Materials and Manufacturing Process
The DIN7349 carbon steel heavy duty flat washer is manufactured through precision metal processing to achieve high strength, accurate dimensions, and reliable load performance.
- Raw material selection: High-quality carbon steel sheet or plate
- Stamping or machining: Formation of thick washer structure
- Hole processing: Precision inner diameter forming
- Edge finishing: Removal of burrs and sharp edges
- Heat treatment: Applied when required to improve mechanical strength
- Surface finishing: Black oxide, zinc plating, or customized coating
- Inspection: Diameter, thickness, flatness, and surface quality testing
- Packaging: Protective industrial packaging for transportation
Each DIN7349 carbon steel heavy duty flat washer is produced under strict quality control to ensure stable performance in high-load applications.
Applications of the Product
The DIN7349 carbon steel heavy duty flat washer is widely used across various industries:
- Construction machinery: Heavy equipment fastening systems
- Agricultural machinery: High-load mechanical connections
- Automotive equipment: Structural fastening assemblies
- Industrial machinery: Large mechanical joints
- Machine tools: Fixture and support applications
- Steel structures: Heavy-duty bolted connections
- Engineering equipment: High-pressure fastening systems
- Manufacturing systems: Durable assembly solutions
Its reinforced design makes it suitable for applications requiring increased bearing capacity and deformation resistance.
Why Choose This Product
- DIN7349 standard compatibility
- Heavy-duty structure for higher load support
- Excellent carbon steel mechanical strength
- Reduces surface pressure and deformation
- Suitable for high-strength fastening systems
- Multiple surface treatment options
- Cost-effective industrial solution
- Stable performance under heavy loads
- OEM customization support
The DIN7349 carbon steel heavy duty flat washer provides reliable support for demanding fastening applications.
Why Choose Flybear
Flybear is a professional manufacturer specializing in industrial fasteners and customized fastening solutions.
- Advanced metal processing capability
- Heavy-duty washer manufacturing experience
- OEM/ODM customization support
- Stable production capacity for bulk orders
- Strict quality inspection procedures
- Global export experience
- Engineering support for customized applications
Flybear provides reliable fastening products for distributors, OEM manufacturers, machinery builders, and industrial customers worldwide.
Quality Inspection and Control
Quality assurance is maintained throughout the manufacturing process:
- Raw material chemical composition analysis
- Material certificate verification
- Inner and outer diameter measurement
- Thickness inspection
- Flatness inspection
- Surface treatment inspection
- Dimensional tolerance verification
- Packaging quality inspection
All production processes follow ISO-based quality management systems to ensure consistent product reliability.
Selection Guide
When selecting a DIN7349 carbon steel heavy duty flat washer, consider:
- Bolt size compatibility
- Required load distribution capability
- Tightening force requirements
- Operating environment
- Surface treatment requirements
- Assembly conditions
Correct selection improves joint stability and extends fastening service life.
FAQ
1. What is DIN7349 heavy duty flat washer used for?
It is used to distribute high clamping loads and provide additional support in heavy-duty fastening systems.
2. What makes DIN7349 different from standard washers?
DIN7349 washers have a thicker structure and provide higher load-bearing capability.
3. What material is commonly used for DIN7349 washers?
Carbon steel is commonly selected for its strength and cost efficiency.
4. Can DIN7349 washers have surface treatments?
Yes, black oxide, zinc plating, and other coatings are available.
5. Can custom sizes be produced?
Yes, Flybear supports customized dimensions, materials, and finishes.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
Contact us for quotation, customization, and technical support via Contact Us.
