Pregrinding straight flute hob cutter with Double R Micro Gear Hob gear hobbing tool for sale Used for various kinds of high-precision, large volume external gear hobbing, various kinds of shaft involute gear hobbing, high-efficiency, energy-saving, first choice of high-precision, large volume gear processing tool. All the products are customized according to customers working part drawing, we need know your products drawing first then we make suitable cutters according to the drawing. The cutters we can make customization for you as below skiving cutter