09-26-2020, 03:04 PM
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Super Moderator
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Join Date: Jul 2006
Location: Pearland Texas
Posts: 4,597
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Making the slot bigger may weaken the swingarm.
Use a burring bit to remove the aluminum.
https://drillsandcutters.com/sa3nf-3-8-x-3-4-cylindrical-carbide-burr-1-4-shank-aluminum/
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