3

Does using the right size hex key (Allen key) to speed up the disassembly process cause damage to the LEGO Technic pieces?

5

Yes

A hex key, being tough metal, is inherently a danger to ABS plastic. Using it to push axles and pop connections will eventually scratch and wear down your parts, something you don't want with technic pieces.

  • Having used small pliers to get axles out, we should really come up with plastic tools to solve these problems. – tl8 Jul 29 '16 at 6:07
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    @tl8 what are you trying to get the axle out of? Lego have a tool for taking elements apart that includes a stub of axle for pushing them through. The limit tends to come attempting to get an axle-connector or 2-axle out of a dead-end element. – Zhaph - Ben Duguid Mar 14 '17 at 15:28

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