Bi-Metal Hole Saw 165mm (6-1/2") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard 9Ft cables or various electronic components

cables or various electronic components

Placement of Using: Hood

Bit Shank Material: 45# Steel

For use on miter saws

or somewhere with salty vapor

Bi-Metal Hole Saw 165mm (6-1/2") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard 9Ft cables or various electronic componentsThe 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