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Coffee Grinder Replacement Kit
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Simple Handcrank conversion Kit
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Model information
- Source
- Printables
- Category
- Kitchen
- License
- Creative Commons — Attribution — Noncommercial
I killed the motor on my cheap Amazon coffee grinder. But the burrs were still good. So I decided to build myself a hand grinder conversion kit.
There is a slot for a 5mm hex nut on the bottom of the crank. To attach the knob, I used an M5 bolt with some threadlocker. The crank itself has a ~5mm square attachment. The lid is twist-lock on the grinder base. I needed no supports for the parts.
I was able to grind 30g of coffee by hand in about 70 seconds.