I have a modular marine 1200 gph bean animal overflow that is set up for 3/4" uniseal with 32mm hole. I would like to upgrade these to 3/4" ABS bulkheads instead which require a 35mm or 1-3/8" hole.
What is the best way to do this? The overflow is 1/4" acrylic.
1. Use a 1-3/8" stepper drill bit to ream the hole larger.
2. Purchase/borrow a 35mm diamond hole saw and center it about the existing hole.
3. Deal with how much of a PITA the uniseal is to seat the piping and live with reduced reliability of uniseal vs bulkheads.
I am leaning toward the stepper bit since I already have the bit and it's just the last step it needs to drill, so likely a clean non-beveled cut, but I've never drilled acrylic before.
View attachment 20678
Sent from my SM-G986U using MASC mobile app
What is the best way to do this? The overflow is 1/4" acrylic.
1. Use a 1-3/8" stepper drill bit to ream the hole larger.
2. Purchase/borrow a 35mm diamond hole saw and center it about the existing hole.
3. Deal with how much of a PITA the uniseal is to seat the piping and live with reduced reliability of uniseal vs bulkheads.
I am leaning toward the stepper bit since I already have the bit and it's just the last step it needs to drill, so likely a clean non-beveled cut, but I've never drilled acrylic before.
View attachment 20678
Sent from my SM-G986U using MASC mobile app