Hole saw materials

Old 09-08-11, 11:53 AM
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Hole saw materials

From my reading my understanding is that different hole saw materials are required for different work materials (bimetal for metal etc.). What would I need for medium duty aluminum? Is there a breakdown somewhere of holesaw materials vs work materials?

Thanks much in advance

Old 09-08-11, 04:56 PM
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You pretty much only have wood/metal/masonry hole saws.

If it's for wood, it will probably just say something like "high speed steel". Bi-metal saws are good for non-ferrous metals like aluminum. Carbide hole saws are for masonry.
Old 09-09-11, 07:15 AM
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We buy only bi-metal hole saws and cut everything with them. The work well.
Old 09-09-11, 09:41 AM
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I bought a Lenox bi-metal hole saw to use in cutting a single hole in a sheet steel (thin) electrical enclosure. It took the teeth off that saw like I was trying to cut through granite but barely scratched the metal.

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