XT60 connector support for Anet A8 heatbed

After some long run print, my Anet A8 headbed connector started to melt.
So I wanted to change it to XT60 connectors which are more reliable.

I didn't want to solder directly the wires to the headbed due to the possible wire stress break and with a connector it's easier to perform maintenance on the printer.

It was printed in PLA. After 4 months of use and many long prints with PLA, ABS and PETG, I noticed a small bending (less than 1mm) at the middle of the support. So maybe for more str