Carbon Steel (Q235) material, high hardness, free of cracks and chips.
The steel balls come lightly lubricated to keep their perfect polish.
These steel bearing balls are great for applications were there will be extreme rotation and a premium performance bearing ball to meet the demands.
Steel ball bearings are used in automotive applications, for semi-precision bearings, and in commercial applications. Also use for casters, locks, drawer slides, bicycles, slingshot ammo, and so on.
Description
1200 Pieces 3/8" Slingshot Ammo Precision Steel Bearing Balls