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drilling into aluminium boats transom?
#11578003
05/02/16 03:43 PM
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Joined: Sep 2014
Posts: 247
mikey6345
OP
Outdoorsman
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OP
Outdoorsman
Joined: Sep 2014
Posts: 247 |
Hello all!
I just bought one of the shallow water anchor pin mounts that someone on this site sells as I already had an 8' pin. Trying to get the screws into the aluminium is not working well for me. I have a pretty powerful drill and drilled pilot hole in ever expanding size until it is just smaller than screw. I can't get the screw to turn/bite into the aluminium and I am starting to strip the head.
Any ideas for me? Is there a specific type screw that will have threading that will cut into the transom?
Thanks in advance.
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Re: drilling into aluminium boats transom?
[Re: mikey6345]
#11578007
05/02/16 03:45 PM
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Joined: Jul 2012
Posts: 12,214
Cast
TFF Guru
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TFF Guru
Joined: Jul 2012
Posts: 12,214 |
You need a better fastener. Screws should thread into aluminum easy, too easy.
Cast I have a short attention spa
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Re: drilling into aluminium boats transom?
[Re: mikey6345]
#11578062
05/02/16 04:09 PM
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Joined: Oct 2012
Posts: 1,925
smooth move
Extreme Angler
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Extreme Angler
Joined: Oct 2012
Posts: 1,925 |
why don't you drill all the way thru and put bolts in with a sealer?
es le bon ton roulet
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Re: drilling into aluminium boats transom?
[Re: mikey6345]
#11578495
05/02/16 06:20 PM
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Joined: Mar 2005
Posts: 1,621
psycho0819
Extreme Angler
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Extreme Angler
Joined: Mar 2005
Posts: 1,621 |
I second cast's opinion, find a different fastener. It sounds as if the threads on the tip aren't aggressive enough to take the initial bite into the aluminum.
If you're not living on the edge, you're taking up too much space!
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Re: drilling into aluminium boats transom?
[Re: mikey6345]
#11578540
05/02/16 06:48 PM
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Joined: Mar 2015
Posts: 499
Cat finder
Angler
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Angler
Joined: Mar 2015
Posts: 499 |
Stainless steel self tap screws will do the job. Don't forget to put some sort of sealant on the screw and bracket before installing.
If the fish don't bite your not baiting right...
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Re: drilling into aluminium boats transom?
[Re: mikey6345]
#11578938
05/02/16 09:40 PM
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Joined: Aug 2011
Posts: 2,957
Bob Landry
Extreme Angler
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Extreme Angler
Joined: Aug 2011
Posts: 2,957 |
I would never trust screws to hold anything in aluminum that was going to be subjected to stress. Drill through the transom and through-bolt it using large fender washers or aluminum plate for backing.
2015 Seaark 1872 MV CC Etec-90 Two Helix 12 CHIRP SI's, , MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic 2020 Robalo R200 CC, Yamaha 150
Bitter Gun Owner Bitter Clinger Armed Infidel
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Re: drilling into aluminium boats transom?
[Re: mikey6345]
#11579179
05/02/16 11:35 PM
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Joined: Jan 2005
Posts: 16,645
Pat Goff
TFF Guru
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TFF Guru
Joined: Jan 2005
Posts: 16,645 |
Thru bolt stainless hardware and 3M 4200 seals it all up. Anything less is going to fail.
Pat Goff Seadrift TX
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