Or you could try a carbide drill, rigid setup, drill at af size plenty
of coolant so you drill the centre of the screw out, then you have a
chance with a square tapered punch in the hole and turning or just
collapse the remains of the screw.
Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here.
All logos and trade names are the property of their respective owners.