The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation.
Meet Your Demands:With the step drill bits we offered, you can process different kinds of diameter holes, which greatly saves you a lot of trouble.Great for metal/wood/plastic countersunk. Suitable for Home DIY, and General Building/Engineering Use.
A Must-Have for Handyman or Professionals:Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper, iron and many other types of sheet metal (excluding steel or any other harder metal).