This hole saw has a twist drill bit inside, with the sharp carbide teeth it's perfect for fast cutting off clean round holes :)
The gears is made from carbide steel and designed in a sharp and solid way,in order to make the product more stabilized and service long with lower consumption.
It suitable for hand held electric drill,stand motor driven drilling machine and mobile ribbon type magnetism drilling machine.
Cutting quick and precise holes in stainless steel, mild steel, iron, copper, brass and wood.
Material : Carbide steel

Colour:As the picture shows
Depth it can drill: Approx. 20mm
Length: 7cm
Outside Diameter：22mm
Note: Only include 2 piece Hole Saw

Package includes :
2 x Carbide Tip Metal Cutter Hole Saw