1mm Tungsten Carbide One Bearing Ball 0.0394 inch Dia Balls

1mm tungsten carbide ball is a small, ultra-hard loose bearing ball used in precision tools, metrology fixtures, gauges, and calibration devices where a flawless spherical contact point is needed. Sold individually.

✅ Diameter: 1.0 mm (0.0394 in)
✅ Material: Tungsten carbide
✅ Grade: G25 precision tolerance
✅ Hardness: 90 Rockwell
✅ Sphericity: 0.000025 in (0.000635 mm)
✅ Wear and corrosion resistance
✅ Sold individually - one loose ball

💡 What is a 1mm tungsten carbide ball used for in precision measurement and tooling? In precision setups, these tiny balls act as hard contact points. - High hardness and tight tolerances for metrology probes
- Low wear in tough environments
- Ideal for calibration fixtures and precision gauges