Bi-Metal Hole Saw 145mm (5-45/64") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard 66mm x 70mm 16 x M8x15mm Hex Socket

16 x M8x15mm Hex Socket Screw Bolts

Inner Diameter: 236mm / 9

L Shape Plate Size: 42mm x 27mm x 2mm / 1

can be bent into any shape according to your needs

Bi-Metal Hole Saw 145mm (5-45/64") M42 HSS (High Speed Steel) Hole Saw Drill Bit Cutter for Wood Plastic Metal Sheet Plasterboard 66mm x 70mm 16 x M8x15mm Hex SocketThe 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