|Project by George_SA||posted 12-09-2014 09:37 AM||1903 views||3 times favorited||13 comments|
I needed some 4mm dowels for some wooden hinges that I am making. I only had some 6mm and 3mm shop bought dowels. Actually the shop bought dowels aren’t 6mm either but somewhere in between 6mm and 6.6mm and also they are more oval than round in shape.
I saw this idea on YouTube somewhere and decided to try it. It is very simple. All you need is a piece of flat bar. Drill the required size hole and then cut a cross slot with your angle grinder across the hole to create some teeth for cutting. For smaller holes you need a thin kerf blade on the grinder.You can’t go directly from 6mm to 4mm. You must do it stepwise by reducing to 5mm first and then 4mm. It also gave me a spot on 6mm round dowel from a plus minus 6mm oval shop bought dowel. If I remember correctly the guy used square stock in the YouTube video. I haven’t tried that yet, but I am sure it will work just as well.
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