Align made non-standard M2.5 1.5mm hex screw that stripped easily with standard tools. Even with Align driver, the hex bolt will stripped as well after several attempts.
It is strongly recommended to replace all M2.5 1.5mm hex to 2mm hex screw. 2mm hex head is much stronger and will not strip even with maximum force.
I bought 2 sets - M2.5x 10mm and M2.5 x 6mm. Replaced all important parts that neeeds disassemble often, like the main bearing block, the tail boom case, the tail gear box etc.
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