304 Solid Stainless Steel Ball, Precision Steel Ball, 2.5 2.8 3.2 4.2 4.4 4.5 4.77 6.2mm-3mm1 Million Grains

Material: 304 stainless steelColor classification: 2.8mm 10 thousand grains 2.5mm 10 thousand grains 3mm 10 thousand grains 3.175mm 10 thousand grains 4.2mm 1000 grains 4.4mm 1000 grains 4.77mm 500 grains 6.2mm 500 grains 4.5mm 1000 grainsWhether standard parts: Standard parts

• This ball has precision design, weight, size and perfect match
• Specially refined to the production process, the size is uniform, and the size error is only +0.1mm.
• The steel balls are treated with exquisite craftsmanship, workmanship, meticulous, smooth and shiny, no water and oil, beautiful and durable.
• The surface is smooth and the workmanship is very symmetrical.
• Authentic bearing steel raw materials, each batch of raw materials are strictly reviewed, and they will not enter the factory if they do not meet the standards, to ensure the stability of the product!