Bimetallic type in M42 steel with 8% Cobalt content for high heat resistance and therefore a longer saw life. Progressive variable teeth. For intensive use with portable or column drills. For drilling iron, steel, stainless steel, cast iron, non-ferrous metals, plastics, hard woods, etc. Particularly suitable for electricians, installers, blacksmiths, body shops, carpenters, etc. Hole saw depth 38 mm.
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