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What should I use to cut fiberglass?
Posted on 5/25/19 at 9:59 am
Posted on 5/25/19 at 9:59 am
Gonna install the new electronics in the console.
Should I use a coping saw, fine tooth jig or something else to make cut out?
Should I use a coping saw, fine tooth jig or something else to make cut out?
9
Posted on 5/25/19 at 10:30 am to Dissident Aggressor
If you use a jig saw tape your line.
If you can control it, a grinder will leave a smoother finish.
If you can control it, a grinder will leave a smoother finish.
Posted on 5/25/19 at 10:56 am to bbvdd
Grinder w/ metabo blade?
Posted on 5/25/19 at 11:28 am to Dissident Aggressor
Right angle air die grinder with a small cut-off wheel. Just make sure to wear dust mask and goggles.
Posted on 5/25/19 at 11:33 am to Dissident Aggressor
My answer varies dependent upon the size and the shape of the hole. Jigsaw most versatile. Certain sized round hole use a hole saw and drill.
This post was edited on 5/25/19 at 11:46 am
Posted on 5/25/19 at 12:31 pm to lsujunky
quote:
Right angle air die grinder with a small cut-off wheel. Just make sure to wear dust mask and goggles.
And a long sleeve shirt because that dust can cause some folk to itch like crazy. It is fiberglass after all.
Posted on 5/25/19 at 3:30 pm to Dissident Aggressor
Posted on 5/25/19 at 3:59 pm to Trumansfangs
"And a long sleeve shirt" This first...ask me how it feels when you cut the bottom out of a boat with no shirt on. Young and dumb. 
Posted on 5/25/19 at 4:14 pm to DMAN1968
I'm Itching just reading that.
Posted on 5/25/19 at 5:43 pm to LSURoss
Rotary tool or that high vibration tool used for sheet rock works well
Posted on 5/25/19 at 6:18 pm to Dissident Aggressor
Dremel
Posted on 5/25/19 at 6:23 pm to Dissident Aggressor
Depending on the size of the hole the best thing to use is s forstner bit, you will not get a cleaner cut. Hole saw works well but if you decide to use it run it in reverse first to scar your gelcoat that will usually keep the teeth from grabbing and knocking a chip out of the gelcoat.
Posted on 5/25/19 at 7:29 pm to Reelscreamers
quote:
Depending on the size of the hole the best thing to use is s forstner bit, you will not get a cleaner cut. Hole saw works well but if you decide to use it run it in reverse first to scar your gelcoat that will usually keep the teeth from grabbing and knocking a chip out of the gelcoat.
Sounds like someone who's done this a time or six. Good advice.
Posted on 5/26/19 at 5:28 am to gumbo2176
quote:. . . depends if you want a round hole?
quote:
Depending on the size of the hole the best thing to use is s forstner bit, you will not get a cleaner cut. Hole saw works well but if you decide to use it run it in reverse first to scar your gelcoat that will usually keep the teeth from grabbing and knocking a chip out of the gelcoat.
Sounds like someone who's done this a time or six. Good advice.
If not a continuious rim diamond wheel on a side grinder (dust mask -n googles) will make short order. A little water (squirt bottle) goes a long way to holding down the itch and dust; however a bit risky for some.
Posted on 5/26/19 at 12:22 pm to Dissident Aggressor
If you have the room to maneuver a jigsaw, buy a Bosch diamond grit jigsaw blade. It doesn't have any teeth to chip the gelcoat and it will hold up better in glass than a conventional blade. I use a hole saw, away from my cut line to give me a place to start my blade.
LINK
The trick is to not crowd the blade. Take your time and let the blade do the work and you will get a really clean cut.
LINK
The trick is to not crowd the blade. Take your time and let the blade do the work and you will get a really clean cut.
This post was edited on 5/26/19 at 12:26 pm
Posted on 5/26/19 at 8:36 pm to Dissident Aggressor
I just drilled a hole into my stern when I mounted a second bilge pump.
I used a brand new hole saw meant for metal and a high speed drill. Tape it off. Wear gloves, mask, goggles. Drill hole in a well ventilated spot, not inside a garage. Shop vac area ASAP when finished.
I had zero issues and a perfect hole. Good luck.
I used a brand new hole saw meant for metal and a high speed drill. Tape it off. Wear gloves, mask, goggles. Drill hole in a well ventilated spot, not inside a garage. Shop vac area ASAP when finished.
I had zero issues and a perfect hole. Good luck.
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