Bi-Metal Hole Saw 165mm (6-1/2") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard Floral Tape We use the finest industrial

We use the finest industrial quality micro-grain carbide to produce very sharp cutting edges and improve cutting resistance

The U-bolt is made of 304 stainless steel

and office

Versatility: It can be welded and used for escalator decoration in public places

Universal hex shank is suitable for quick-change/release and secure locking of chucks

Bi-Metal Hole Saw 165mm (6-1/2") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard Floral Tape We use the finest industrialThe 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