銑刀外徑介於0.5-0.75之間，適用於BGA外週及開槽加工刀具，有鑽石目形狀的切刃，重視切屑的排出性，加工板面光滑是以延長刀具壽命為目的而設計的。
Suitable for tooling up the edge of BGA and groove cutter. In addition to
diamond eye cutting shape, it functions well to release cutting waste.
Smooth processing board face is designed to lengthen the cutter life.
