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Fantastic tools, thin cutting discs are best for thin steel, sanding pads are more gentle than grinding discs, and a wire brush disc is rather good for cleaning up steel frames and forks.
Flap disc for a job like this. Aggressive but not stupidly so. Of course, a bench grinder is what you really need for a job like this. Or a milling machine and rotary table.
Brommers
@853Superfly
Files are good enough.
Dremel is a bit quicker.
Angle grinders start around £25 from screwfix/B&Q/tool station/Machine mart and will go through a crank tab in seconds.......... followed by a big fuck off gouge into the crank arm if you slip or a bit heavy handed :)
Fantastic tools, thin cutting discs are best for thin steel, sanding pads are more gentle than grinding discs, and a wire brush disc is rather good for cleaning up steel frames and forks.
Alu dust is not good for you, so if you power tool it wear a mask/be out doors and wear safety glasses.
And practice before attacking a bike part as angle grinders can be a bit savage/quick at removing material.