The eccentricity of the center drill relative to the hole saw is a problem as it runs and makes an oversized hole. If it's no big deal, the very sharp teeth cut through the steel so quickly that you can poke many large holes in the time it would take to make just one with a chassis punch.
Excircle Indexable MTJNR1616H16 MWLNR1616H08 MCLNR1616H12
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π Suppliers of Tungsten Carbide Cutter Inserts
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