微型鋼球、小型鋼球

1.材質：不銹鋼(201,304,316,316L,420,440,440C); 軸承鋼GCr15; 碳鋼1010,1045,1085; 2.產品品格：0.5mm-----2.5mm 0.5mm, 0.6mm, 0.7mm , 0.8mm,0.9mm,1.0mm,1.2mm,1.25mm,1.30mm,1.35mm,1.40mm,1.45mm, 1.50mm,1.588mm,1.60mm,1.65mm,1.75mm,2.0mm 3.級別：G10;