Synthetic CZ/KY sapphire, ruby, single crystal α-Al2O3, natural agate, spinel, ceramic, etc.
Plane straight/olive holed bearing, single-cup plane straight/olive holed bearing, double-cups plane straight/olive holed bearing, raised olive holed bearing, and single-cup raised olive holed bearing, etc.
Surface roughness: the surface for application: Rz0.05~Rz0.2
Assemble and sink surfaces: Rz3.2
Instruction, Machinical Watch and etc
According to the characteristics of materials of high hardness, corrosion resistance, gem materials can according to user requirements, customized product shape, product is mainly used for use with high strength and corrosion resistance of products.
Hole Jewel contains a series of components that are chiefly applied as supporting bearings to the rotational systems of various accurate chronographs, auto-memorizing apparatus, precise instruments (micrometer, dial indicator) and other apparatus.