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-   Boats, Accessories & Tow Vehicles (http://www.wakeworld.com/forum/forumdisplay.php?f=3183)
-   -   drill bit for tower (http://www.wakeworld.com/forum/showthread.php?t=771340)

worththewake 01-27-2010 5:02 PM

I need to drill a bigger hole to run more speaker wire in my tower. I currently have a titan tower on a malibu. What kind of drill bit am I looking for? I'm also looking for gromets (sp?) for the holes to protect the wire...any suggestions there? While I'm at it, anybody have suggestions on quick disconnects for the wire coming out of the tower before it enters the boat? <BR>thanks <BR>chris

wakebrdjay 01-27-2010 9:06 PM

If the tower is stainless steel you will need a cobalt drill bit.

liquiddiet 01-28-2010 6:16 AM

You need a step bit like this: <BR> <BR><img src="http://www.wakeworld.com/MB/Discus/messages/3183/771473.jpg" alt="Upload"> <BR><img src="http://www.wakeworld.com/MB/Discus/messages/3183/771474.jpg" alt="Upload"> <BR> <BR>grommets are the hard part, my tower was too thick for traditional grommets used for sheet metal and i had a hard time finding anything to work. I ended up finding funky faucet stop/grommets in the plumbing section and had make my own hole in the middle for the wires. They worked out pretty good, but they were a PITA to fit. <BR> <BR><img src="http://www.wakeworld.com/MB/Discus/messages/3183/771475.jpg" alt="Upload"> <BR> <BR>(Message edited by liquiddiet on January 28, 2010)

dhcomp 01-28-2010 10:00 AM

I'd use hard plastic grommets, they will work better than sheet metal gromets. <BR>I actually think i used the same thing as above, small plastic hole plug, drilled out

camassanger 01-28-2010 10:07 AM

Where can I get some? I'm doin the same thing.

wakebrdjay 01-28-2010 11:32 AM

I have done installs on my Pro Flight aluminum tower and on a Titan stainless steel tower.The aluminum tower was a breeze,had a new bit from machine shop supply store.I asked for advice at the store before I drilled the stainless steel.They said to use a cobalt bit,made for drilling s.s. and use cutting oil while drilling.I removed the tower and used a drill press and it was still extremely hard to drill the stainless.The Titan tower was on a 2009 SAN 230.

liveoz 01-28-2010 2:48 PM

I drilled my titan with a regular bit for metal but I had to use my Electric Drill. The 18V drill could not penetrate at all.

worththewake 01-28-2010 4:40 PM

thanks for the advice! I remember drilling the damn tower for the first time and it sucked big time.....picked up a cobalt bit...damn expensive <BR>chris

skongolf 02-05-2010 6:15 AM

What size step bit is that? I have to do my tower soon and not sure what size to get. All i have to do is run a 14 or 13 gauge 4 conductor wire for my speakers. Anny suggestions

skongolf 02-05-2010 4:26 PM

Anyone??? I want to try and drill it out this weekend.


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