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Old 17th March 2021, 10:54 PM   #13
AHorsa
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Join Date: May 2014
Location: Rhineland
Posts: 228
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Hi Fernando,

thanks for your comment! It´s a good idea to modify a hexagonal head!
Actually the diameter of the whole is 3,5mm. So there must be some alterations anyway. The head´s diameter of the surviving example is 8mm. Sadly a 4mm-screw´s head is 7mm. So I guess a way would be: Taking a 5mm screw with hexagonal head (8mm diameter), altering the head and the shaft and adapt the thread (or let a turner do this, which might be more fruitful )

Kind regards
Andreas
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