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Thumbscrew Cap for M6 Machine Screw (Battery Cover Fastener for Audi TT MK1)
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Thumbscrew design can be used on any M6 Hex Head screw, but was specifically designed to secure a car battery cover.
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Model information
- Source
- Printables
- Category
- Automotive
- License
- Creative Commons — Attribution — Noncommercial
Quick simple print, works great. Came out much better than expected on a Prusa MK3.
Printed with no supports. I ended up using PET and ABS because I wanted to use this print in an automotive application.
Assembly notes:
- First screw the base piece onto the threads, all the way to the head.
- Place the cap on a hex wrench and then insert it into the screw.
- Keeping the head and the cap aligned, press the pieces together.
I found that for my application press-fit was good enough that I did not need glue.
However bottom and top pieces are designed with 1mm overlap so that if you decide to glue it you can. So 3 things are securing the thumb screw:
- The friction between the head and the sides of the screw head
- The bottom piece is threaded onto the screw, and pressing against the inner surface of the head cover
- Optional. Any glues or adhesives you might use
Overall the end result looks very professional.