drilling out rivets

[Ralph Baker]

Best way I've found is to use an automatic (spring loaded) center punch
to knock the mandrel back and the use the same size drill as the hole -
Carefully! With technique, the head only can be removed and in some case
the center punch used to knock out the remaining rivet. Use care here
as you don't wand to dent or deform the aluminum sheets. A small
socket, just larger than the shop head can serve as a backup if
accessible. If not continue careful drilling.

It is helpful to stop early on and confirm you are in the center of the
rivet.
Ralph Baker
Expert rivet driller outer




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[wrightdg]

Thanks Ralph. I did the first test today. Most of the rivits were in
pairs of panel which are both scheduled to be replaced and that was good
practice. I bought a snap punch from Home Depot - the cheap one and it
lasted about 50 rivits. Going back tomorrow to get the other one and a
refund. I think I have a handle on it now - many more to go - especially
the big ones.

On Sun, 2005-21-08 at 12:43 -0400, Ralph Baker wrote:

Best way I've found is to use an automatic (spring loaded) center punch
to knock the mandrel back and the use the same size drill as the hole -
Carefully! With technique, the head only can be removed and in some case
the center punch used to knock out the remaining rivet. Use care here
as you don't wand to dent or deform the aluminum sheets. A small
socket, just larger than the shop head can serve as a backup if
accessible. If not continue careful drilling.

It is helpful to stop early on and confirm you are in the center of the
rivet.
Ralph Baker
Expert rivet driller outer




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