日本Dijet公司决定在美国的分公司（厂址在密歇根州）新增一条精密加工生产线，并且从1996年4月起生产Dijet新开发的涂层硬质含金焊接式钻头（商品名为“S-cut钻头”）。S-cut钻头的特点是将过去整体式钻头的硬质合金刀片上的两个切削刃改为一个切削刃。刀片经徐层处理后焊子刀 Dijet Corporation of Japan decided to add a precision machining line at its US subsidiary (located in Michigan) and, starting from April 1996, Dijet’s newly developed coated hard gold-containing welding drill (trade name “S- cut bit ”). The S-cut bit features two cutting edges on a cemented carbide insert that used to be a monolithic bit. Blade by the Xu layer after the solder knife