MiniMag Bit Driver
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Mini Magnetic 1/4" hex bit driver with snug fit
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Informacje o modelu
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- Printables
- Kategoria
- Tools
- Licencja
- Creative Commons — Attribution — Noncommercial — Share Alike
Background
I needed a ¼" driver for idle screw adjustment on my car that was low-profile, magnetic, & fixed to allow precise rotation control. I printed several versions of designs I liked, but the hex bit fit was too loose & shallow for my need, plus scaling for better hex fit affected magnet press fit. So, I designed my own version.
Design
- Optimized shape for tight areas, knurled pattern for finger grip, & min print time
- Deep hex pocket provides full engagement on my particular quick-connect ¼" shank nut driver bits (old Black & Decker)
- Requires qty 2 - 6x3mm magnets
Notes:
Hex pocket depth won't work well for typical short bits since it will swallow them up
YMMV on hex & magnet clearance due to printer settings, material, hex/magnet dims, etc.. A test slice print of slip fit area may be a good idea.
Printing & Assembly
Printed in Overture Black PETG @ 0.3mm layer, 15% Gyroid fill, & 4 perimeters. No support, no pause required. Magnets can be pressed into pocket using hex bit.
Reference
Here are some great drivers I either printed or considered printing before creating my own design.
https://www.thingiverse.com/thing:1739820
https://www.thingiverse.com/thing:4928471
https://www.prusaprinters.org/prints/108718-screwdriver-handle-for-hex-bit
https://www.prusaprinters.org/prints/94252-bit-holder-with-magnet