سوبر غرامة الكرة مطحنة
الكرة نهاية مطحنة - spacemirrormysteryin. الكرة نهاية مطحنة, Ball End Mills | Regal Cutting Tools Ball end mills are used for drilling shallow holes, slotting a channel where a flat bottom is not required or most commonly used to produce multi-dimensional contours in molds or di...