Pcbn inserts in solid cbn and tipped cbn for hard turning, Pcbn inserts for turning cast iron and hardened steel: pcbn is the second hardest material in the world, and cbn related high precision cutting tools are introduced to industry, achieved high productivity and cost reductions. pcbn is the short name of polycrystalline cubic boron nitride, and pcbn inserts are mainly for the hard metal turning to replace the conventional machining way of grinding..
宇野バス | 岡山市、美作市、赤磐市、備前市、瀬戸内市を走る路線バス, 1918年(大正7年)創業の岡山県第一号のバス会社。2015年には民間バスで日本最低運賃を達成。.
