Products Description:
Diameter:3.145mm To 4mm
Material: Steel
Color: Silver
Level: G10
Hardness: >60HRC
Features: Bearing steel balls have high precision, high hardness, smooth surface, good roundness, wear resistance, and are not easy to rust
Application: Bearing steel balls are widely used in high-speed and low-noise bearings, bicycles, motorcycles,Automobiles, slide rails, universal balls, bags, electronics industry, can also be used to grind others Medium.
-100% Brand New And High Quality
-Absolute guarantee of high quality and inexpensive!
Package include: As You Choose