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Mindful
malihini

68 Posts

Posted - 10/06/2018 :  16:10:57  Show Profile  Reply with Quote
Anyone know how to remove the "fins" on the T Posts?

kalakoa
Motormouth

11110 Posts

Posted - 10/06/2018 :  16:16:35  Show Profile  Reply with Quote
Lay the shaft on something solid (a pallet works well, doesn't scratch the paint/galvanized coating), fin down, pound with small sledgehammer until it comes off -- the fin is press-fit, not welded to the post.
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terracore
Punatic

5098 Posts

Posted - 10/13/2018 :  13:15:15  Show Profile  Reply with Quote
Not sure of your application but if you've drilled holes into the rock to accept the post just set the post in the hole and use a post driver. The fins fall off. I didn't know they aren't welded, that makes sense.
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MarkP
Punatic

2062 Posts

Posted - 10/13/2018 :  15:01:51  Show Profile  Reply with Quote
They are kind of glued on by the galvanizing but they come right off with proper motivation. If driving into a drilled hole, drive until the fins are at ground level then knock them off. The post is firmly held by the rock allowing the hammer to do its work.
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terracore
Punatic

5098 Posts

Posted - 10/14/2018 :  10:31:21  Show Profile  Reply with Quote
Mark, what size drill bit do you use?
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MarkP
Punatic

2062 Posts

Posted - 10/15/2018 :  05:42:53  Show Profile  Reply with Quote
1 1/2" although it was a tiny bit large. You could still pull the post back out some of the time. Still holds the fence up just fine though. I have used 1 3/8" in the past. That was pretty tight but you could still pound the post in.
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My 2 cents
Kamaaina

548 Posts

Posted - 10/15/2018 :  07:28:53  Show Profile  Reply with Quote
There is a product for cementing the posts in, I think it's called Rocktite.
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kalakoa
Motormouth

11110 Posts

Posted - 10/15/2018 :  08:00:44  Show Profile  Reply with Quote
1-1/2" is a tight fit for the US-made galvanized posts.
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