Hand coffee grinder is stylish. However, it takes too much time especially in a hectic morning.
Using the adapter with socket bit(M5,W3/16 or W5/32), your hand grinder can be turned by a motor screwdriver.
Let’s transform your hand grinder into a powerful electric grinder!
Almost of all classical hand grinders with rounded rectangle center shafts can be used.
Ceramic Coffee Mill Skerton (Kyocera Ceramic Coffee Grinder)
Ceramic Coffee Mill Acrylic Box
• Kalita and Melitta
Almost of all hand coffee grinders with rounded rectangle center shafts.
Recommended Motor Screwdriver's Torque
More than 7 Nm (62 in-lbf)
For Regular mesh, 4~7 N m (35~62 in-lbf) can be used.
I've made these adapters(bits) three times. I'm sure that these bits works all right.