Still don't believe that aluminum can handle the load? How about 14mm wide T-slots using M12 hardware. The strongest aluminum framing system on the market. Competes head on with steel where you need strength and would love a T-slot. Designed for the most demanding framing applications.
End Caps

End Cap 60.01. Profile
mk 2561
mk 2561

End Cap 60.02. Profile
mk 2562
mk 2562

End Cap 60.05. Profile
mk2563
mk2563
Cover Profile

Cover Profile
60.30.
60.30.