Steel Ball Steel Ball 6mm Steel Ball Standard 3/7.938/4.0/56.00 hit 8.0 2MM one Kilogram,-Precision 3.175MM one Kilogram Slingshot Ball Bearing Ball (Size : Precision 5.2MM one Kilogram) ( One

Excellent and smooth surface, high hardness and high load capacity. Product gross weight: 300.00g Material: Other Capacity: 36-54L Color: Other WIDELY USE: Widely suitable for bicycles, casters, drawer slides, home furniture, door locks and many other applications.

• High Hardness：Bearing steel balls have excellent surface quality, high hardness and high load capacity, stable performance, and can be used for a long time.
• No rust, anti-oxidation ability, strong humid environment, no rust
• Corrosion-resistant nickel and chromium elements combined with acid, alkali and
• High-quality silver-white gloss 10 years and 20 years as new
• High hardness and hardness are 2 times higher than copper and 10 times higher than aluminum