4mm Tungsten Carbide One Bearing Ball 0.1575 inch Dia Balls

One Loose 4mm Tungsten Carbide Ball Bearings Balls are made of tungsten carbide Balls size is 4mm 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: 4mm Loose Balls
• Size: 4mm
• Grade: G25
• Hardness: 90 Rockwell
• Sphericity: 0.000025"
• Material: Tungsten Carbide
• Quantity: One Loose Balls