6 Pcs Durable 90 Degree HSS Chamfer Cutter Bit Chamfering Countersink Drill Bits

This kit is suitable for DIY at home and daily use, it allows to drill easily and effectively, without burr. Used in hardness 25 under the part, such as carbon steel, sheet metal, insulation boards, PVC board, wood.  For the 90 ° chamfer piece hole or conical hole, the chamfer edge edges and angles of the treatment angle.

• The countersinks are carbon steel, the surface is titanium coated, sturdy and durable, not easy to rust, long service life.
• Universal size compatible with all types of drill, drilling machines, including vertical drilling machine, and another common milling cutter.
• This set of 6 90-degree 3-edge drilling cutters is suitable for working on metal and certain non-metallic materials, such as coal steel, light iron, insulation boards, PVC panels, aluminum, wood hard and soft, etc.