M4 square-head tungsten screw:

The M4 square-head tungsten screw is the ideal solution for advanced engineering applications where conventional screws cannot meet performance demands. Its unique head shape and superior material properties ensure secure fastening in the most extreme conditions.

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Product Series

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M4 Square-Head Tungsten Screw

The M4 square-head tungsten screw is a specialized fastener engineered from high-purity tungsten or tungsten alloy, designed for applications that require extreme strength, density, and resistance to heat and corrosion. Featuring a square-shaped head and M4 metric threading, this screw provides both mechanical reliability and excellent material performance under demanding conditions.

Specifications:
- Thread Size: M4 (Metric 4mm)
- Head Type: Square Head
- Material: Pure Tungsten or Tungsten Alloy
- Density: ~19.25 g/cm³ (for pure tungsten)
- Hardness: ≥350 HV (Vickers Hardness)
- Melting Point: Over 3,400°C (6,152°F)
- Finish: Precision-machined or polished
Key Features:
- High-density construction for compact mass and stability
- Outstanding wear, corrosion, and high-temperature resistance
- Square head for enhanced torque and secure grip
- Non-magnetic and chemically inert (depending on alloy)
- Excellent dimensional precision and mechanical strength
Typical Applications:
- Aerospace and defense hardware
- High-vacuum and thermal shielding systems
- Radiation protection assemblies
- Custom machinery and industrial tools
- Scientific research equipment and high-pressure devices