8mm of Aluminum Balls, stock deal with cheap price Aluminum BallsSpecifications: diameter from 2.0mm to 40mmAluminum No. 6063, 6065, 7075Grade: 500-1000Hardness ≤HRC10Surface Treatment: Polished, smooth and sheeny. Applications: be widely applied in mechanical products, solder-joint, decorations, etc. Nonstandard dimensions customized are acceptable. 8mm of 6063 Aluminum Balls