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,  AISI52100,  SUJ2,  100Cr6; 

碳钢Q235,AISI1010,1045,1085;   

2.规格: 0.3mm-----2.381mm  

0.3mm,0.4mm,0.5mm, 0.6mm, 0.7mm , 0.8mm,1.0mm, 1.2mm,1.30mm,1.35mm,

1.40mm,1.45mm,1.50mm,1.588mm,1.60mm,,2.0mm ,2.381mm;

3.级别: G10--G1000;