I received this unknown brand 34.5mm hand grinder.
The burr has 7 cores
I tracked it down to Aliexpress as a R50 hand grinder.
Chinese ? Some of the listings identify it as from a company called 9am.
Because of the 7 cores it will probably feed slower that a pentagonal or heptagonal burr set (but produce less fines).
It might be good for lighter roasts. ?
Heptagonal burrs require more force but potentially fewer rotations for grinding, potentially creating a faster grind with more effort, while hexagonal burrs require less force but more rotations for the same amount of grinding. Heptagonal burrs are known to perform well for lighter roasts and higher extraction brewing methods like pour-over and can also produce excellent espresso, whereas hexagonal burrs offer a more traditional and balanced flavour profile.
The build quality was quite good.
I really like the magnetic catch cup.
It stays fixed when grinding much better than many of my other magnetically held grinders.
These are the steel burrs
It's fixed to the axel which I love as alignment is done in the factory.
It's two bearings which enhance alignment even more.
With the external click system I think this is great value.
about 100AUD
Two bearings on the shaft
34.5mm ??
This is how to open it up.
Go to the coarsest setting
Press this down
then unscrew the nut
I still haven't seasoned the grinder, but so far, the espresso is Ok
It's all metal inside.
settings:
36 for V60/pourover
turn clockwise to go coarser
24 for espresso
turn
anticlockwise to go finer
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