Scentre follows the same tradition of expertise and crafts-manship in producing extrusion tips and dies, which is used to extrude plastic insulation onto wire, cable and fiber optic cable. Each tip and die is individually engineered and custom-made to your precise specifications. The 100% concentricity verification test assures proper wire centering to hole. Hole Sizes: Single crystal diamond:0.012 in ( 0.30mm ) to 0.036 in ( 0.90mm ) Polycrystalline diamond: 0.012 in ( 0.30mm ) to 0.060 in ( 1.5mm ) Tungsten carbide: 0.020 in ( 0.50mm ) to 0.500 in ( 12.5mm ) Tool steel: up to 1.0 in ( 25mm ) Benefits: Guaranteed ID to OD concentricity to 0.0002 in ( 0.005mm ). Individually packaged with quality inspection certificate. Custom-made to your specifications. Standard styles and sizes available for immediate shipment. Applications: Precision insulated wire and cable, where consistent electrical properties are required. Typical Markets: Telephone, Telecommunication and Electronic cables.