Auger screw

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Auger screw - how to make

auger screw

I used metal saw blade. Heat by gas torch. Twist by pliers, dragging to self. This metal is too firm, and broken quickly. I Will try again with another metal stripe.


GranuleExtruder-screw-small.jpg

GranuleExtruder describes making an auger screw out of copper mains wires wound around a copper pipe.