Material: Stainless Steel, 420, etc.
Hardness: HRC26~HRC58
Style: Solid/Hollow
Dimensional Tolerance: ±0.0015mm
Package: Packed in one box.
420: The representative of martensitic steel, commonly known as stainless iron, is magnetic, has good rust resistance, and has a high hardness of HRC50-55.
420 stainless steel balls are commonly used in industries where high precision and rust resistance are required: motorcycle parts, pulleys, stainless steel bearings, plastic bearings, crafts, valves, and petroleum.
