1.Material:Gcr15 high carbon chrome bearing steel (AISI 52100)
2.Grade: G10,G5 Steel Ball Diameter:2.381mm(3/32") Gauge: ±12 Subgauge:±0.4
3.the main steps to produce the ball: heading,polishing,heat treament,grinding,lapping,packing
4.the special and and fine producing-technique;the tiptop production equipment,like:super-fine dringding machine from Germany,resin super-fine grinding machine from Japan; the precision test equipment,like:automatic stee-ball shape tester,Single&Double-view metalloscope,Rockwell & Vickers hardness tester,stee-ball vibration measurer,roundness meter and etc;and an appropriate scale of operation
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