2-3/8" I believe is the proper diameter. I drilled the hole in my Coleman cooler at 2-1/2" and it’s a little bit big. I use this 3-1/16-Inch X 2-1/4-Inch Shank Washer I saw recommended on Facebook
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2-3/8" I believe is the proper diameter. I drilled the hole in my Coleman cooler at 2-1/2" and it’s a little bit big. I use this 3-1/16-Inch X 2-1/4-Inch Shank Washer I saw recommended on Facebook