RUHI Center Drill B 5 X 18

The Center Drill Type B 5×18 mm is a double-ended precision center drill with a protective chamfer, designed as per DIN 333B / ISO Standard for accurate centering, pilot drilling, and chamfering in machining and turning operations.

Made from premium High-Speed Steel (HSS) or Solid Carbide, this drill provides excellent strength, wear resistance, and edge stability, even under high-speed or heavy-duty conditions.
Its 60° included drill angle ensures precise alignment, while the protective chamfer prevents edge chipping and enhances tool life.

The 5×18 mm size is widely used for medium to large components, offering improved rigidity and stable performance on steel, stainless steel, and aluminum materials.

Ideal for use on CNC machines, lathes, and drilling setups, this tool guarantees clean hole entry, smooth finish, and accurate centering in all machining environments.