Purchase Qty. Reference FOB Price
1-99 Pieces US$0.10
100+ Pieces US$0.09
Product Description
ZYS Diameter 12.0 12.7mm Silicon Nitride Si3n4 Ceramic Precision Bearing Balls Product Description Si3N4 is a new kind of bearing material with several good features, it possesses high temperature resistance, corrosion resistance, insulation, non-magnetism, high strength, low density and other ...