"Duct seal helps hole sawing:"

When you have repetitive hole sawing to perform, especially when drilling through Q decking, panels or other similar materials, hole saws may burn out, slugs can jam the cutters, and the person drilling the holes may incur temporary deafness. Packing the hole saw with duct seal prevents the slug from becoming stuck. The duct seal also acts as a heat sink, which prolongs the life of your hole saw and reduces noise to a more tolerable level. The duct seal compound can be left in the hole saw indefinitely. This method works best when drilling 1-inch and larger holes. Using these cutters over and over also saves on replacement hole saws.

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