Material: HSS high speed steel. Provide 5 kinds of hole saw ,meet your professional needs.Size: 16mm/0.62\" , 18.5mm/0.72\" , 20mm/0.78\" , 25mm/0.98\" , 30mm/1.18\" Cuts quickly, precise holes in Steel, Stainless Steel,iron, Copper, Brass, Aluminum, Fiberglass, Formica And Other Laminates In Seconds Perfect for Installing Locks, Knobs in Doors and Cabinets or Drilling Larger Diameter Holes Through High precision, smooth cutting, especially impact resistance, wear resistance.
These are heavy duty with a bit of weight to them. High quality. Included tool for removing or replacing the center drill bit. Each piece arrived in it's own hard plastic case. I love that they ea... read more »
I use these bits all the time in the shop when working with sheet metal.
They cut perfect every time and if you use a coolant spray while cutting you can extend the cutting time between sharpening... read more »
WHAT A GREAT VARIETY OF SIZES IN THIS KIT,..BITS WORK GREAT..I DO ALOT OF CRAFTS WITH WOOD AND THESE WORK GREAT FOR THOSE JOBS. #rankbooster #sponsered read more »
These drill bits by #Robao work well with my Dewalt drill. They are easy to use and attach to any drill. Definitely a great addition to have. #rankbooster #blogboosterreview #sponsered #Robao read more »
I was surprised by the quality of these drill bits! They are great! The price is awesome for the quality and variety that you receive! They are heavy and well made. They work great and Iwas realy plea... read more »