微型鋼球，小鋼珠，小型鋼球:

1.材質(zhì):

不銹鋼(201,304,316,316L,420,440,440C);  

軸承鋼GCr15,  AISI52100,  SUJ2,  100Cr6;

碳鋼Q235,AISI1010,1045,1085;  

2.規(guī)格: 0.3mm-----3mm

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，2.5mm，2.778mm,3mm

3.級別:  G10、G16、G20、G28、G40、G60、G100、G200、G500、G1000;