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959 3.175mm steel ball products are offered for sale by suppliers on Alibaba.com, of which bearing balls accounts for 21%, stainless steel balls accounts for 10%. A wide variety of 3.175mm steel ball options are available to you, such as manufacturing plant, machinery repair shops and construction works.You can also choose from steel ball, carbon and carbon steel 3.175mm steel ball,As well as from g100-g1000, g10-g1000 3.175mm steel ball, and whether 3.175mm steel ball is white, silver, or black.