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17-09-10, 05:32 PM

Fairly brisk, the general rule of thumb the smaller the drill the faster you go, but when the material gets harder you bring the speed down.
Try and put a dot punch on the area so that the drill will start exactly where you want it to, automatic dot punches are perfect for this type of thing.
Start off with it crawling and once it has started cutting increase speed and force, but not too much, let it do its own work, if you force it you could break the drill.

17-09-10, 05:32 PM	#5
Specialone Guest Posts: n/a	Re: quick question fitting a fender extender Fairly brisk, the general rule of thumb the smaller the drill the faster you go, but when the material gets harder you bring the speed down. Try and put a dot punch on the area so that the drill will start exactly where you want it to, automatic dot punches are perfect for this type of thing. Start off with it crawling and once it has started cutting increase speed and force, but not too much, let it do its own work, if you force it you could break the drill.