M4 Square Head Molybdenum Screws

These M4 square head molybdenum screws are commonly used in high-temperature furnaces, crystal growth equipment, semiconductor processing, nuclear reactors, and other high-tech industries where stability and purity are critical.

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M4 square head molybdenum screws are high-performance fasteners designed for use in extreme environments. Made from high-purity molybdenum (≥99.95%), these screws feature a square head for easy gripping and torque application in specialized assembly processes.

Key Features:
- Material: Pure molybdenum (≥99.95%)
- Size: M4 thread (4mm nominal diameter)
- Head Type: Square head for enhanced tool engagement
- Thermal Stability: Excellent performance at high temperatures, up to 1,100°C and beyond
- Corrosion Resistance: Resistant to aggressive chemicals and oxidation, especially in vacuum or inert atmospheres
- Mechanical Strength: High strength and durability under mechanical and thermal stress