Drill Bits CNC Tools Cutting Discs

Diamond Countersink of drill

Countersink has two kinds of wall: 3.5mm and 5mm.

The selection of countersink wall depends on what brand of machine is, European one or Chinese one.

3.5mm is for chinese machine and 5mm is for European machine liked FORVET.

The high class material make countersink wear resistance and sharpness.