Extreme hardness and wear resistance make these balls an excellent choice
for bearings, ball screws, valves and flowmeters.
Can also be used for coining and as pivots, detents and tips for gauges
and tracers. Tungsten Carbide Balls are used for ballizing,
hole sizing, gauging and checking.
Grade: 25.
Sphericity: 0.000025.
Specific Gravity: 14.95.
Rockwell A: 91.5.