5/16 One Tungsten Carbide Bearing Ball .313 inch Dia Balls

One Loose 5/16" inch Tungsten Carbide Ball Bearings Balls are made of tungsten carbide Balls size is 5/16" inch 7.938mm 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: 5/16" Loose Balls
• Size: 5/16" (.313" inch)
• Grade: G25
• Hardness: 90 Rockwell
• Sphericity: 0.000025"
• Material: Tungsten Carbide
• Quantity: One Loose Balls