Isolette II parts and questions re: broken film advance screw

[ChicagoDave]

(I meant Isolette III wrong title)

Didn't know where to put this so I cross posted in a couple of categories, hope that's ok..

Just found you guys and have a question..

I have an Agfa Isolette III and I stupidly snapped off the screw that holds the film advance knob on.

I was taking the top off to do some cleaning..the screw was tight, started turning...snap.

I have two issues...one: a source for a new screw. Hopefully, the exact screw for the sake of staying vintage.

Second: Drilling out the shaft of the old screw...

I spose I plan on putting a few drops of penetrating oil into the screwhole where the broken screw rests and letting that soak for a few days.

Then, with a very small drill bit, getting a starter hole going in the screw shaft...

After that???

Using a backwards screw puller? Not sure if they make those small enough for this...or, figuring a way to get hold of the screw to get it to turn. there is no wa I can see to get a dremel in there to create new slot on the top of the screw shaft.

Any help on this would greatly appreciated.

One more thing actually..I'm considering doing a bellows replacement..any sources for well made, well fitted bellows for an Isolette III?

Thanks all..

Dave

 

[psboon]

Hello....

If you can find a small enough left hand twist drill it may back the screw out. They make very small left hand bits. A gunsmith may be able to help you. Hope his will help.

 

[ChicagoDave]

psboon,

I got it out by slowly scribing a slot in the top of the shaft (a harder metal blade vs softer brass) with a very sharply pointed knife until it would accept a jewelers screwdriver.

Once the oil did it's work it came out easily. Ha, "easily" after I figured out that it was a screw with reverse threads. That's why I broke the darn thing, trying to remove by turning lefty-loosy. Sometimes you learn the hard way.

I appreciate your comment, thanks

Now I just need a source for a screw to match the one I broke.

 

[Frank R]

Watch ebay for old parts cameras. You may even win one in nicer shape than yours.

 

[ChicagoDave]

Frank,

Doing that as we speak..thanks

This little baby is in pretty nice shape, except for this darn screw. Though, my head hurts from banging it against the wall after I realized what I had done

 

[freygr]

You need the screw size (diameter), threads per inch or cm, thread direction ( right or left ), overall length, threaded length and the head type. Master McCar has a page with the different screw heads.

For small screws try this link: http://www.microfasteners.com/
For larger screws try these links:
http://www.nutty.com/
http://www.mcmaster.com/