My 2c is that after soaking in penetrant and ensuring you have the right bit, hammer it into place and carefully use a 1/4" rattlegun, or at least a cordless drill with a ball-indexed clutch on a light setting.
The impacts help heaps with this sort of stuff.
@Kimmo started
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My 2c is that after soaking in penetrant and ensuring you have the right bit, hammer it into place and carefully use a 1/4" rattlegun, or at least a cordless drill with a ball-indexed clutch on a light setting.
The impacts help heaps with this sort of stuff.