At the Asai Screw Manufacturing Company in Soka City, Japan, machines transform spools of long wire rods into 400,000 screws every day.
This promotional video from Japan’s Process X YouTube channel documents each step, from loading the wire rod into the pressing machine, forming the screw heads, washing the screws, rolling spiral threads into the metal, and sharpening the screw tips.
Factory videos! Plus, watch these videos on TKSST:
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Bonus: How to make a steel track marble run, a step-by-step guide.
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