Re: Combination Hole Saw
You remove all the blades except for the one you want to use, cut your hole, the put the extra blades back into the drive head for storage.
Originally Posted by BlueTWilly
When cutting a hole in this manner, it is best to cut from both sides to prevent blowing out the back as the cutter exits the material. Set your pilot bit (the center bit ) so that it is 1/2" or more longer than the hole saw blade. When the pilot bit pierces the back, switch sides and continue drilling.
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