一.不锈钢球，不锈钢珠，不锈钢钢球:     

1.材质: 201,202,302,303,304,316,316L,420,440,440C等;     

2.规格: 0.5mm----50.8mm;     

3.级别: G16-----G1000;     

三.微型钢球，小钢珠，小型钢球:     

1.材质:     

不锈钢(201,304,316,316L,420,440,440C);     

轴承钢GCr15;     

碳钢1010,1045,1085;     

2.规格: 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.级别: G16--G100;