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Drop In Post Assembly M4 T-nut for 20 x 20 Aluminum Extrusion.
Post-Assembly T Nut
Drop in T nut, easier to install
Material: nickel plated carbon steel
Suitable for 20mm sloted european aluminum extrusion
Neck Width: 6mm; Thread Diameter: 4mm (M4)
Pack of 10
These are post assembly M4 nuts for the corner fittings which are sold individually.