... .8mm 3.Grade:G10-G1000 Product Name: stainless steel ball1.Material:201,302,303,304,316,316L ... ,420,440,440C stainless steel2.Size:0.3-50.8mm3.Grade: G10 ... as your request6.Applications:all kinds of machines,hardware,bearing,wheel,caster slider,bicycles,thrust bearing, ... interested in our stainless steel ball,pls feel free to contact me. 6.35 dia. stainless steel ball for caster wheel, ...