CARBIDE GOLD DRILLS WITH COOLANT HOLE EXTRA LONG

Application
Drilling into steel in general, cast steel, cast iron, cihlled cast iron, malleable cast iron, non-ferrous heavy metal, non-ferrous light metal, abrasive plastic.

Advantage:
Self centering - center drilling is not required
Excellent positioning - bush is not necessary
Special design - reaming is not required, good chip removal,powerful drilling

品名：硬质合金中空出水黄金钻头(超长型)

用途：可钻钢件、铸钢件、铸铁件、冷硬铸铁、可锻铸铁、有色金属、有色轻金属、耐磨塑料等。

优点：
自定心，不需要中心孔。
定位精准，不需要衬套。
特殊的设计，不需要铰削，排屑好，可强力钻削。