Pack of 10 Loose 1/4" inch Tungsten Carbide Ball Bearings 1/4" inch = 0.25" inch G25 10 Loose Balls

 
The Ball is made of tungsten carbide, Balls size is 1/4" inch (6.35mm), Grade is G25, And it meets grade 25 sphere tolerancem, Loose Ball is extremely hard alloy made from tungsten and carbon And it is high corrosion wear resistance.

Item: 1/4" Loose Balls
Size: 1/4" (0.25" inch)
Grade: G25
Hardness: 90 Rockwell
Sphericity: 0.000025"
Material: Tungsten Carbide
Quantity: 10 Loose Balls