MOskva -5 missing front element screws.

[orbon1]

I was trying to cla my new and in average shape Moskva5.
The 3 very small(extremely small) headless screws from the front element where in bad shape.I couldn't remove them all and i will drill the 3rd.BUt they are all unusable.Does anyone knows where i can find 3 of those little f+ers?

 

[02Pilot]

Not going to be easy to find replacements. If it were me, I'd prefer to drill and tap for a larger (and more readily available) size. Tiny drill bits are easy, but taps might be a problem. At least brass is soft.