I have several 5 gal. plastic buckets with a tight fitting plastic lids that I want to remove. The lids are not the typical vertical slots that you just break open to pry the lid off so I need another approach. I tried cutting my own slots but that is extremely labor intensive and messy (I have 20 buckets to do.) It appears my choices with a router are a slot cutting bit or a straight cutting bit. Does anyone have a suggestion about how to do this, possibly with a jig? The lids have a rubber O-ring just under the outside rim so I would need to cut below that and above the plastic hook that secures the lid to the bucket.The attached diagram is a cutaway of a lid top section.
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