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Reviewed in the United States on January 25, 2025
These tnuts work well in our 4040, 4080, and 8080 extruded aluminum. The spring tension works very well and may be a bit better / stronger than some of the others we've used. That spring really only matters when setting things up, but a welcomed feature.The tnuts secure well when tightened with the bolt, have good threaded slots for the bolts, and are holding up well.For under 18 cents a piece, that seems fairly reasonable for spring loaded tnuts.
Doug Blasco
Reviewed in the United States on January 19, 2025
These are well made and are of a quality build. I am building myself a Rail Bike and these will work just fine. In my application, I am using 40 Series Extruded Aluminum with M8-1.25 Fasteners. These Spring Loaded T Nuts will work just fine and provide a quality and secure assembly.Cheers π·
Purple
Reviewed in the United States on April 29, 2025
Well constructed great fit and no issues with threaded portions. Some pieces with the ball detent needed to be released ( bigger construction projects your fingers might get a bit soreπ). Worked and fit great.
DB
Reviewed in the United States on April 10, 2025
These are threaded for 8mm but they are to small for 4040.
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