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Jason, Marine Mechanic
Category: Marine Electronics
Satisfied Customers: 14175
Experience:  Degree in Marine Technology, Also Certified with Mercury Marine, MCM, MIE, VP, Yamaha, Honda, Suzuki
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I plan on mounting a gas strut mount, I am a little nervous

Customer Question

I plan on mounting a gas strut mount, I am a little nervous drill into my fiberglass and was wondering if you could share some tips. I read several important tips 1) use tape over the area the drilling will take place 2) use a small drill bit 1/16 and drill in reverse mode. To mount my #10 screws , I plan to use a 5/32 drill bit. If you could provide any other tips that I should follow in order for me to eliminate spider cracks I would greatly appreciate it,,
Submitted: 3 months ago.
Category: Marine Electronics
Expert:  Jason replied 3 months ago.

Good morning, my name is ***** ***** am I speaking with.

There are a couple of things you have to pay attention to. Spider cracks isn't really what you have to worry about initially, what you have to worry about is the initial chipping you might get on the gel coat, and then you have to worry about tear out. Don't worry about tape, or running a bit in reverse. Just make a mark in pencil and use a sharp 1/8th drill bit to drill you pilot hole. After that, having the write type of drill bit is what will make the biggest difference. Drill bits come in 2 major tip angle choices 118 degree and 135. Either will work, but using a 118 degree bit will give you better results. When drilling you want to use a medium/high drill speed (about 2000 rpms) and use firm pressure. After that, after you drill your hole, use a countersink bit just to cut through the gel coat. This will help prevent spider cracks from popping up in the future.

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Thank you


Expert:  Jason replied 3 months ago.

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