Large diameter holes: Hole saws are perfect for making large holes that would be tricky to reach with conventional drill bits. Ideal for use on aluminium, cast iron, plastics, steel & wood 35mm maximum reducing depth For use with an arbor for chopping 48mm Ø holes in numerous products. Arbour https://holdenodshu.angelinsblog.com/34552138/a-secret-weapon-for-hole-saw-supplier