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In this video, I make an adjustable drill bit. I start by using the metal I cut from the M12 bolt. Then I am cutting a Spade Drill Bit. Then I combine the two.
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Did you see this ? Countersink Drill Bit making
I am making wooden C clamps which will be very useful in this video. These small C-clamps are great tools for our DIY workshop. I called them DIY G Clamps because they ar

Circular Saw I made using an old saw blade.It gets its power from the drill.