1.Material:Gcr15 high carbon chrome bearing steel    (AISI 52100)

2.Grade: G10 G5

3.Size:2.0mm,2.381mm(3/32"),3.175mm(1/8"),3.5mm,3.969(5/32"),4.763mm(3/16"), 5.953mm(15/64"),6.35(1/4") Gauge: ±12  Subgauge:±0.4        
                      
4.the main steps to produce the ball: heading,polishing,heat treament,grinding,lapping,packing
      
5.the product is: possible hardness, technical characteristics,perfectly shiny, compact and defect-free surface,low noise

6.HRC:62-66     Noise: 26-30db    VDWS:bellow 0.15um   VDWL: bellow 0.20um

7.Price as according to the size.
like size 2.0mm USD7.5/10000pcs, 2.381mm USD9.00/10000pcs,3.175mm USD10.5/10000pcs,3.5mm USD12.00/10000pcs and etc. If the quantity is big,the price can reduce