When drilling out a rivet, use a drill
- larger than the rivet hole.
- same size as the hole.
- smaller than the rivet hole.
Explanation from PART66Online
A rivet is drilled out on the axis of the manufactured head, only to the base of that head, with a drill smaller than the rivet hole so that the drill cannot reach the wall of the parent hole. A drill the size of the hole, or larger, cuts the hole itself, destroys its accuracy and forces the repair up to the next rivet size.
A
avionics asked · 1 Feb 2017
according to CAAIP it should be smaller than the shank of the rivet when removing rivet.
Community Comments (3)
J
JD2016
24 Jul 2017
The answer to another question here is "drill to the base of the manufactured head using a drill one size smaller than the shank and remove the head using a punch".
K
kostsop
23 Nov 2017
JD2016 is right.
J
Jordi
23 May 2020
so what is the final answer?
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