The circular permanent - magnetic chuck can be used as auxiliary tool for various kinds of plain surface grinder , universal tool grinder and lathe for holding ferromagnetic materials for machining 圓形永磁吸盤可作為各種平面磨床,萬(wàn)能工具磨床和機(jī)床等機(jī)床的輔助工具,用以吸持鐵磁性材料進(jìn)行加工。