Thread: Drilling and tapping aluminum frame?
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Old 04-09-15 | 05:15 PM
  #7  
HvPnyrs
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From: In The Middle Of "Out There" / Downtown "Lost Angels"

Bikes: 2001 Trek 520 - Hvy Hauler, Epic Adventure Bike / 2011 Fuji Newest 1.0 - Sporty Quick Bike

Originally Posted by Wilfred Laurier
Well put, but wrong.

A round hole will not significantly weaken the frame, but trying to weld stuff to it might.

THe better solution is riv-nuts:

Your source for Rivnut® engineered fasteners and installation tools - Cardinal Components

These come by other names, such as Pem Nuts
These are generally how water bottle bosses are attached to aluminum frames.


Agreed, riv-nuts (rivet-nut) is how loose mounts are repaired by bike mechanics.
O.P. why not ask your question in the "Bicycle Mechanic's" sub-forum?
I also feel welding an Aluminum bike is not a good idea. Aren't ALU frames heat treated/tempered after asembly welding at the factory?
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