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Knurled-head for M4 hex screw
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Turn a standard hex screw into a thumb screw
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
My son has lost a screw on his ski helmet. As the original screw had already come loose once before, I wanted a solution that could be tightened on the slopes without tools if necessary. I needed a knurled screw.
When designing the screw, it was important to me that it did not protrude too far from the helmet, i.e. that it was as flat as possible.
After printing, the hexagonal screw is inserted and the cover is pressed on. I also secured the upper part with glue.