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  1. Crispym

    Parkinson Perfect Vice

    After a conversation with @dickm I thought I would try grinding the hex-head bolt to a square head. Here's the original (with the bent one as well). All in all, I don't think it came out too badly and the, er, heat treatment from the grinding wheel has discoloured the bright steel of the new...
  2. Crispym

    Parkinson Perfect Vice

    So gratified by the helpful comments here and the offers from excellent baccy tins! Thanks for that information @TominDales . I haven't removed the screw yet but I've just bought some Deep Creep to see if that loosens things. I'll also see if I can find a BSF 3/16 but will be keeping my M5...
  3. Crispym

    Parkinson Perfect Vice

    My one has cast sliders, two screw holes on the front face and the shorter fixed undercarriage. I looked at the smallworkshop.co.uk history and figured it was the Mk II. However, I'm sure the little qr plate securing screw will be the same between the different versions. Thanks very much for...
  4. Crispym

    Parkinson Perfect Vice

    I know what you mean - I have a missing bolt on the half-nut and a bent one on the runner back plate. I did a crash bit of research into imperial bolt sizes and found there are two main thread types: fine (UNF) and coarse (UNC) determined by the major diameter (the distance from the outer...
  5. Crispym

    Parkinson Perfect Vice

    That restoration looks lovely. I've just embarked on my own Mk II restore but I've mullered the slot of the small screw holding the quick release bar to the qr lever rod. I think I'm going to have to drill it out so does anyone know what size screw I'll need to replace it with? Thanks in advance.
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