The existing hole in the RV is drilled 3.5inch in diameter, but the replacement part purchased has 2.875inch internal cup, leaving the 3 screw affixing points too small. Require hatch with external dimensions around 5inch or perhaps a bit larger, so the affixing screws will all bite into the fibreglass siding. Can you provide the internal cup and external rim dimensions? Thanks
asked by: Andrew
I pulled a Deluxe Round Electrical Cable Hatch from our warehouse to measure for you and found that the internal cup measures 3-1/4 inches and the external cup measures 5-1/8 inches in diameter.
Check out the pictures I attached that show these measurements.
expert reply by: Jameson C
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RV Cable Hatch
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