When drilling out a rivet, use a drill
- larger than the rivet hole.
- same size as the hole.
- smaller than the rivet hole.
Explanation
A rivet is drilled out with a drill the same nominal size as the rivet shank/hole so the head is removed without enlarging or damaging the parent hole. An oversize drill would open the hole and oblige a larger replacement rivet, while an undersize drill leaves material that makes head removal difficult.
avionics asking:
according to CAAIP it should be smaller than the shank of the rivet when removing rivet.
Community Comments (3)
J
JD2016 Posts: 54 25.07.2017 / 00:38
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 Posts: 5 23.11.2017 / 23:46
JD2016 is right.
J
Jordi Posts: 198 23.05.2020 / 12:26
so what is the final answer?
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