Stripped floorboard bolt

Foodog2 · Wednesday at 9:26 PM

I was adding the DK floorboard extensions and the right front bolt head stripped. I thought no biggie, got out my handy dandy extractors…. And the bolt snapped off.

I thought ok I’ll drill the bolt and back it out with an extractor… the extractor snapped in the bolt.

Well after several hours with a dremel and carbide bit I removed the extractor. I drilled out the hole with a 5/8 bit and had to through bolt the mount with a 4” grade 8 bolt and nut until I can see about putting a helicoil in.

Looks like the old bolt was maybe cross threaded. Looked like only blue loctite.

What a day!

Gorilla · Wednesday at 10:36 PM

Been There done that. Get a grade 8 bolt that looks good and call it a day.

Old Road Dog · 2025-07-03T07:34:52-0500

That does it. Now I've got the incentive to buy one of those induction heaters. The Mini Dokter looks good.

ultrafxr · 2025-07-03T07:44:52-0500

Old Road Dog said:
That does it. Now I've got the incentive to buy one of those induction heaters. The Mini Dokter looks good.

Exactly. H-D uses some seriously strong thread lock on those bolts. Need heat before attempting removal.

N8DC · 2025-07-03T07:47:02-0500

Old Road Dog said:
That does it. Now I've got the incentive to buy one of those induction heaters. The Mini Dokter looks good.

When its broken off flush like that the heater doesnt do much. Other than drilling you could set a nut up against it and weld it in the center . Sometimes that frees the bolt enuff with the heat to remove it.

WindyOne · 2025-07-03T08:55:13-0500

Foodog2 said:
I was adding the DK floorboard extensions and the right front bolt head stripped. I thought no biggie, got out my handy dandy extractors…. And the bolt snapped off.
View attachment 134275
I thought ok I’ll drill the bolt and back it out with an extractor… the extractor snapped in the bolt.
View attachment 134276
Well after several hours with a dremel and carbide bit I removed the extractor. I drilled out the hole with a 5/8 bit and had to through bolt the mount with a 4” grade 8 bolt and nut until I can see about putting a helicoil in. View attachment 134278
Looks like the old bolt was maybe cross threaded. Looked like only blue loctite.
View attachment 134280

What a day!

This is exactly why I bought different floorboard extensions. I had so much trouble with this exact bolt location I said never again. I don't know what HD is doing with this bolt but they really need to take a serious look at how they assemble the floorboards.
Glad you were able to work through this and get it corrected.

Notgrownup · 2025-07-03T09:10:10-0500

That’s a tough repair and very aggravating. Glad you got a somewhat acceptable to you fix. If the bolt is in there and a Grade 8 I don’t know that I would screw with it anymore.

Zammy · 2025-07-03T19:48:04-0500

Dang Steven, a 1/2 hour job turned into an ordeal, glad you things squared up some what, I had a heck of a time on my '21 on the ride side also when I did mine.

Papa Zook · 2025-07-04T13:41:19-0500

Old Road Dog said:
That does it. Now I've got the incentive to buy one of those induction heaters. The Mini Dokter looks good.

Been fighting that urge myself..It would rarely be used but could be really handy when needed. I just noticed that Amazon has one lower cost alternative to the Mini Dokter that is highly rated.

Stripped floorboard bolt

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