Terms for subject Drilling containing chisel insert

English	Chinese
blunt chisel insert	钝楔形齿
chisel and projectible tooth insert bit	自锐式镶齿钻头
chisel type insert bit	楔形镶齿钻头
scoop chisel insert	勺楔形镶齿
sharp chisel insert	长楔形镶齿
wedge crested chisel insert	宽楔形镶齿