Bi-Metal Hole Saw 125mm (4-29/32") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard 1-1/4"x2-1/4"x1/2" 22mm outside diameter

22mm outside diameter

3-inch (L*W*H)

More maintainable and last longer than stick-on pads

Major components are made of aluminium alloy

06-inch x 0

Bi-Metal Hole Saw 125mm (4-29/32") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard 1-1/4"x2-1/4"x1/2" 22mm outside diameterThe bi metal hole saw combines high speed steel and cobalt. The hole saw body is made of superior grade M42 high speed steel, which has excellent hardness, wear resistance, and heat resistance. The cutting edges or teeth are made of a cobalt alloy, which further enhances hardness and heat resistance. The sprayed coating resists rust and corrosion. Sharp toothed edges allow for smooth, fast and easy cuts. Bi metal hole saws have larger numbers of