Tungsten steel cold heading dies are industrial-grade molds made from high-performance tungsten carbide material, widely used in cold heading processes to form screws, bolts, rivets, and other metal components. Below is a detailed product description:

Product Features

1. High Hardness and Wear Resistance
   • Tungsten steel offers exceptional hardness (HRA > 85), maintaining its shape under high pressure and impact, significantly extending service life.
2. Excellent Impact Resistance
   • The precise tungsten-to-cobalt ratio (e.g., 85:15) provides the mold with superior impact resistance to withstand the sudden forces during cold heading.
3. Outstanding Thermal Stability
   • Tungsten steel exhibits excellent thermal stability, resisting performance degradation caused by high frictional heat during the process.
4. High-Precision Manufacturing
   • The dies undergo high-precision processes such as wire cutting, grinding, and EDM to ensure consistent dimensions and accuracy.

Applications

• Screw and Bolt Manufacturing
  Specially designed for cold heading screws and bolts made of stainless steel, carbon steel, alloy steel, and more.
• Metal Forming
  Widely used for producing high-strength, high-precision metal products such as rivets and cylindrical pins.
• High-Durability Requirements
  Performs exceptionally well in high-frequency production lines, reducing the need for frequent mold replacements and enhancing production efficiency.

Technical Specifications

• Hardness: HRA 85~92
• Material Composition: Tungsten content 85%~95%, cobalt content 5%~15%
• Bending Strength: >3000 MPa
• Service Life: Up to 300,000 stamping cycles (depending on working conditions)

Advantages

1. Improves product quality consistency and reduces defect rates.
2. Extends the mold’s service life, lowering production costs.
3. Enhances production efficiency, ideal for mass production.

For customized requirements such as specific dimensions, materials, or designs, feel free to contact us for tailored solutions