Hi all,
Two of my disc bolts rounded off due to age/ corrosion. I drilled one of them out and helicoiled it which worked fine but other one didn't work so well and the inevitable happened in that I now have a larger hole that the M8 helicoil. Doesn anyone have any experience of metal type fillters etc with respect to this type of thing. Failing that, does anyone esle have any good repair ideas?

Two of my disc bolts rounded off due to age/ corrosion. I drilled one of them out and helicoiled it which worked fine but other one didn't work so well and the inevitable happened in that I now have a larger hole that the M8 helicoil. Doesn anyone have any experience of metal type fillters etc with respect to this type of thing. Failing that, does anyone esle have any good repair ideas?

