ISO8752 304 Stainless Steel Heavy Duty Slotted Spring Pin
ISO8752 304 stainless steel slotted spring pin is a precision-engineered fastening element designed for secure positioning, alignment, and load transfer in mechanical assemblies. As a widely used industrial fastener, the ISO8752 304 stainless steel slotted spring pin delivers reliable radial compression, allowing it to maintain strong holding force even under vibration, shock, and dynamic loads.

In modern manufacturing systems, ISO8752 304 stainless steel slotted spring pin is essential for engineers who require consistent tolerances and long-term durability. It is commonly selected in OEM assemblies, machinery joints, and structural alignment applications where standard rigid pins cannot provide sufficient flexibility. Compared with a typical hex head bolt or stainless steel hex bolt, this slotted spring pin offers elastic deformation, making it ideal for precision-fit holes and repeated assembly cycles.
Product Overview
The ISO8752 304 stainless steel slotted spring pin is manufactured from high-quality 304 stainless steel, offering excellent corrosion resistance and mechanical stability. Its slotted body design allows controlled compression during installation, ensuring tight engagement with mating components.
This type of DIN standard fastening component is widely used in automotive systems, industrial equipment, and heavy machinery. Its ability to absorb tolerance variations makes it a preferred choice for engineers seeking reliable alignment solutions in demanding environments.
As a key part of OEM fasteners and stainless steel fastening systems, ISO8752 304 stainless steel slotted spring pin ensures structural integrity while reducing assembly stress on surrounding parts.
Product Specifications
| Item | Specification |
|---|---|
| Standard | ISO8752 |
| Product Name | ISO8752 304 Stainless Steel Heavy Duty Slotted Spring Pin |
| Material | 304 Stainless Steel |
| Thread Type | None (Press Fit) |
| Head Type | Headless Cylindrical |
| Drive Type | Press Installation |
| Diameter Range | 1mm – 20mm |
| Length Range | 4mm – 100mm |
| Surface Finish | Natural Stainless Steel |
| Strength Grade | Heavy Duty Elastic Grade |
| Thread Direction | N/A |
| Packaging | Bulk / Box / OEM Packaging |
| Customization | Available (size & tolerance) |
Technical Parameters
| Parameter | Value |
|---|---|
| Tensile Strength | ≥ 520 MPa |
| Yield Strength | ≥ 210 MPa |
| Hardness | 70–85 HRB |
| Density | 7.93 g/cm³ |
| Corrosion Resistance | Excellent (Indoor & Outdoor) |
| Operating Temperature | -50°C to 250°C |
| Thread Tolerance | N/A (Elastic Fit Tolerance ISO Standard) |
| Manufacturing Standard | ISO8752 / ISO 8752 compliance |
Materials and Manufacturing Process
The production of ISO8752 304 stainless steel slotted spring pin follows strict industrial engineering standards to ensure consistency and performance.
- Raw material selection: High-grade 304 stainless steel wire rod is selected for corrosion resistance and mechanical strength
- Cold forming: Material is formed into precise cylindrical shapes
- Hot forging (if required): Enhances structural density for heavy-duty applications
- CNC machining: Ensures dimensional accuracy and consistency
- Slotted forming: Precision slot is created for elastic compression behavior
- Heat treatment: Improves hardness and fatigue resistance
- Surface finishing: Maintains natural stainless steel appearance
- Cleaning: Ultrasonic cleaning removes contaminants
- Inspection: Full dimensional and mechanical testing
- Packaging: Industrial-grade packaging for export and OEM supply
This controlled process ensures ISO8752 304 stainless steel slotted spring pin meets strict requirements for industrial fasteners and stainless steel fasteners used in critical systems.
Applications of the Product
ISO8752 304 stainless steel slotted spring pin is widely used across multiple industries due to its elasticity and reliability:
- Construction machinery: Structural alignment and joint locking
- Machinery manufacturing: Shaft positioning and assembly fixation
- Automotive systems: Gearbox and engine component alignment
- Renewable energy: Wind turbine and solar mounting systems
- Petrochemical industry: Corrosion-resistant assembly points
- Marine engineering: Saltwater-resistant fastening solutions
- Food equipment: Hygienic stainless steel assemblies
- Industrial equipment: Heavy-duty mechanical systems
- Manufacturing systems: Automation and precision tooling
Its flexibility makes it suitable for dynamic loads where rigid fasteners like a DIN933 bolt or full thread bolt cannot perform effectively.
Why Choose This Product
- Premium 304 stainless steel raw material
- High precision manufacturing control
- Excellent corrosion resistance performance
- Stable elastic mechanical properties
- Long service life under vibration conditions
- Bulk production capability for OEM supply
- OEM/ODM customization support
- Fast global delivery capability
- Proven export experience in industrial markets
Why Choose Flybear
Flybear provides professional manufacturing and supply chain solutions for global industrial fasteners.
- Advanced manufacturing capability with strict process control
- Strong inventory system for fast delivery
- Custom production based on engineering drawings
- Professional engineering technical support
- Global export supply network
- Technical consultation for OEM projects
Flybear focuses on delivering reliable industrial fasteners and precision components for demanding engineering environments.
Quality Inspection and Control
Each ISO8752 304 stainless steel slotted spring pin undergoes strict inspection procedures:
- Chemical composition analysis
- Tensile strength testing
- Hardness testing
- Salt spray corrosion testing
- Thread gauge inspection (where applicable standards apply)
- Dimensional accuracy inspection
- Surface quality inspection
- Packaging integrity inspection
All processes comply with ISO quality management systems to ensure stable performance in industrial applications.
Selection Guide
When selecting ISO8752 304 stainless steel slotted spring pin, engineers should consider:
- Material type (304 vs other stainless grades)
- Diameter compatibility with hole tolerance
- Length based on assembly depth
- Load and vibration requirements
- Environmental conditions (humidity, salt exposure)
- Corrosion resistance level required
Proper selection ensures optimal performance in OEM fastening systems and mechanical assemblies.
FAQ
1. What is ISO8752?
ISO8752 is an international standard for slotted spring pins used in mechanical fastening and positioning applications.
2. What is the difference between rigid pins and slotted spring pins?
Slotted spring pins provide elastic compression, while rigid pins do not deform during installation.
3. Is 304 stainless steel rust resistant?
Yes, 304 stainless steel offers excellent resistance to corrosion in most environments.
4. Can custom sizes be produced?
Yes, Flybear supports full customization based on drawings or specifications.
5. How to request a quotation?
You can contact our sales team with size, quantity, and application details.
We always adhere to the philosophy of quality first and customer first, providing customers with high-quality fastener products and one-stop fastener solutions.
For quotation, customization, and technical support, please Contact Us.




