Hole saws are cylindrical cups with a serrated edge to cut various sizes of holes in a variety of materials.
Bi-metal refers to an object that is composed of two separate metals joined together.
Instead of being a mixture of two or more metals, like alloys, bimetallic objects consist of layers of different metals.
Ideal for cutting stainless steel, mild steel, iron, aluminium, pvc & wood Improved chip clearance Cobalt steel Alternating tooth patten Material release slots to clear material efficiently Ultra thin kerf for accurate cuts 38mm cut depth for all sizes