Corner Bracket for 2020 Aluminum Extrusion

Published: Wednesday 04 May, 2016
2020 aluminum extrusion is one of the most popular general aluminum profile, 2020 aluminum can be used as exhibit rack display, instructment framework, engine cover hood and outframe; the 2020 aluminum also a good material for hottest CNC and 3D printer project, like Reprap 3D printer, kossel, Prusa i3, MendelMax, Delta, HercuLien and Eustathios etc.

Since the aluminum material is not good at bending and welding, we always use special connector to connect them, the connector can be divided into two types - concealed and open connetor.

Now we have one special L shape interior corner bracket for 20mm aluminum extrusion, and two 2020 series open connectors as following:
2020 Corner Bracket Fitting
2028 Corner Bracket for 20mm Aluminum Extrusion

So which corner bracket is better?
L shape interior corner bracket, you can not see the connector from outside after fixing and looks beautifully, but this corner bracket need to insert aluminum profile before fixing, comparing to open corner connect, it is not very good for installation.
2020 corner bracket and 2028 corner bracket, these two corner brackets install at the external of 2020 alumium extrusion, it is very easy to install, but looks not as good as concealed bracket, it also affect the alumium's effective length on some projcts.

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