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Start the body making
Marking the hole
Boring the hole
Reaming with milling cutter. Didn't have a 20mm reamer.
Trying to get it in right place to the 4 jaw chuck
Internal threading
Start making the adjusting screw
Adjusting screw ready
Making of the slide
Removing unnecessary parts wit bandsaw
Next job is making of the dove tails
Looks pretty good...
IT FITS!
Seems to work
Groove for adjusting
Boring with 11,5mm drill...
Boring with 11,5mm drill...
...and then with 12mm reamer
Chamfering corners
The slide is fixed to body and then slightly machined
Engraving scale marks to adjusting screw
All parts done
It's ready to use