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  • I had a bolt sheared off in my mudguard hole on the fork (have randomly forgotten what they are called). I finally (after nearly a year) managed to get the time and tools to drill it through. The original hole is obvs M4, i've drilled through with a 3mm drill.

    Question is, should i try and get someone to tap the 'new' hole at either 3mm or 4mm, or am i just best off using a 3mm bolt with a nut on the inside of the fork to secure it? (or drill it through with 4mm and use 4mm bolt and nut)

  • The original hole is obvs M4

    Rly?
    They are usually M5 (very occasionally M6). If you drill through 4mm, you'll probably be able to peel out the remnants of an M5 screw.

  • Just the sort of response I was looking for. Will drill 4mm and then take it from there. I did wonder why the remnants weren't so forthcoming with the 3mm hole drilled.

    Thanks

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