What came off (wet bolt & nut) is what was installed @ the factory when it came off the line. What was sent as replacements (from Dexter) are original Dexter OEM wet bolt & flange nut kit - NO serrations/deformities. Whatever the originals were makes no difference - mine were loose and so were 3 on another Big Sky.
That being said, everyone should check 'em as part of routine maintenance...
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Jim & Bev
2011 3465 SA
2015 GMC Sierra 3500HD Duramax Crew Cab
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