Could you shorten a longer blade?
These super mirracle tipped drills that you see advertised really do
work and could drill a new hole in the right place. The idea is to use
a drill press at max speed and no coolant. Push like ****
The drill friction heats the steel, softens it and then drills a hole.
It sounds like butchery but it really works. Mind the swarf, it can
come off incadescently hot. Good eye protection is essential. The
heating is very localised so won't affect the cutting part of the