If you look closely when the YJ was made the roll bar hoop was installed before paint. Every one I have taken apart is the same.
Grind it out treat it, prime it paint it and yes a drain hole for future water which is a given for a Jeep.
89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff.
AF Jeep Club Tail Number 184