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Iljin Diamond’s Epsilon Tungsten Carbide rods and blanks are used to produce end mills, drills and reamers as well as micro drill and router bits. Available sizes range from 1.2 to 32 mm in diameter with 320-mm standard, unground length. Options include straight or helical coolant holes and pre-forming. Manufactured via an extrusion and one-step sinter-HIP process, the materials are constructed of ultra-fine WC powder from 0.2 to 0.5 µm.   The company also offers its custom IPOL polycrystalline diamond (PCD), which is designed for hardness, wear resistance, high thermal conductivity and uniform wear in all directions. The material is useful for machining non-ferrous metals, aluminum alloys, tungsten carbides, plastics and more. Also available is IBON, the company’s polycrystalline cubic boron nitride. The material is manufactured with fine-grained and isotropic structure cbn and designed for matching ferrous materials, including cast irons, hardened steels, powder metals and super alloys.   Two new PCBN grades, the high-content SB950 and the low-content SB50+, are designed via high pressure and high temperature technology and powdered metallurgy technology. Engineered for thermal resistance and wear resistance, SB950 is designed for high-speed processing of cast iron, CV joint and sintered alloys. SB50+ is designed to resist wear and is useful for machining hardened steels.