Material - All bearing steel balls are made of high hardness durable chrome steel, produced in accordance with the highest industry standards. They are manufactured using high-precision machines, are corrosion-resistant, high-precision, high-hardness, smooth, and burr-free.
Package Included - 6pcs 2 inch (51mm) chrome steel precision bearing balls.
Performance - The surface is coated with a small amount of grease to improve lubrication and prevent corrosion and rust. The heat treatment process makes the bearing balls very strong and resistant to deformation over time.
Feature - Their unique combination of strength, durability, and non-reactive properties makes them suitable for a wide range of applications.
Widely used in - Steel balls are widely used in bicycles, casters, door locks, drawer slides, auto parts, etc.