SKH51 Punch Pin
SKH51 Punch Pins are durable tooling parts designed for precision stamping and forming operations. Made from high speed steel SKH51, they provide reliable strength and stability under mechanical stress. Suitable for continuous industrial use, they maintain accurate geometry and consistent performance. Advanced processing ensures quality control, making them ideal for demanding die manufacturing applications.
- Cutting Stability: Maintains smooth punching under continuous operation.
- Heat Resistance: Performs reliably at elevated working temperatures.
- Surface Quality: Reduces friction and improves die life.
- Tool Efficiency: Supports faster production with less downtime.
Product Description
Introduction
SKH51 Punch Pins are high-quality precision components made from JIS high speed steel SKH51, designed for metal stamping dies and progressive die systems. They offer an excellent balance of hardness, toughness, and wear resistance, making them suitable for demanding industrial punching and forming applications. These punch pins are widely used in environments that require stable performance and long service life under continuous production.
Manufactured using advanced CNC machining and precision grinding, SKH51 Punch Pins achieve tight dimensional tolerances up to ±0.002 mm. Through vacuum heat treatment, the hardness can reach HRC 60–64 while maintaining strong structural stability and resistance to deformation. This ensures reliable performance even in high-speed and high-load stamping conditions, reducing wear, breakage, and downtime.
SKH51 Punch Pins are widely applied in automotive manufacturing, electronics, connectors, terminals, and precision hardware industries. They are suitable for various stamping processes including punching, forming, and piercing. Custom specifications such as diameter, length, head shape, and surface coatings like TiN or TiCN are available according to customer requirements, making them a flexible and efficient solution for OEM tooling and industrial production needs.
Technical Specifications
| Item | Description |
|---|---|
| Product Name | SKH51 Punch Pin |
| Material | SKH51 High Speed Steel (HSS) |
| Standard | JIS SKH51 |
| Hardness | HRC 60–64 |
| Tolerance | ±0.002 mm |
| Diameter Range | Customized |
| Length | Customized |
| Surface Finish | Precision Ground |
| Heat Treatment | Vacuum Heat Treatment |
| Manufacturing Process | CNC Machining + Precision Grinding |
| Customization | OEM/ODM Available |
Three Key Customization Aspects, Tailored to Your Needs
Matching different customization methods to meet various requirements.
Precision Manufacturing, Excellent Quality
High Hardness Performance
SKH51 Punch Pins deliver excellent hardness after heat treatment, reaching HRC 60–64, ensuring strong resistance to wear and deformation during continuous high-speed stamping operations.


Excellent Wear Resistance
High speed steel composition provides superior wear resistance, extending tool life and maintaining stable cutting performance in long-term industrial production environments.
High Dimensional Accuracy
Precision CNC machining and grinding achieve tight tolerances up to ±0.002 mm, ensuring consistent and reliable punching accuracy in complex die applications.


Strong Impact Toughness
Optimized material structure improves toughness, allowing the punch pin to withstand repeated impact loads without cracking or premature failure in demanding stamping conditions.

Refined Service, Shortened Delivery Time
From design review to delivery, we provide dedicated one-on-one follow-up throughout the entire process.
Consultation → Provide Drawings → Design Review & Quotation → Order Processing → Quality Inspection → On-time Delivery → After-sales Follow-up
Our Advantages
Backed by over 25 years of engineering experience, our team offers comprehensive services—from customized mold design and precision machining to full-scale production—supported by a robust quality assurance system and proactive customer service. Certified under ISO9001, ISO14001, and IATF 16949, we continually strive for excellence in quality, innovation, and customer satisfaction.
Application Range
The preferred choice across various industries.