Drill Driver Bit For Pentagon Shaft Coffee Grinder CMAD-P1

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Hand coffee grinder is stylish. However, it takes too much time especially in a hectic morning.

Using the bit, your hand grinder can be turned by a drill driver.

Let’s transform your hand grinder into a powerful electric grinder!

CMAD-P1 is the only mass production model coffee bit in the world.

So, the quality and durability are excessively superior to 3D printed one.

It is made of stainless steel 304 which is often used for high- grade tablewares.

Unlike normal bits, it is washable.

Designed For The Following Coffee Grinders 


This bit cannot be used for new Coffee Mill Slim Grinder,mini with hexagon shaft.

Porlex (Coffee Grinder) 

Porlex (Green Tea Grinder)

Stainless Steel Coffee Grinders With Pentagon Shaft Like Porlex

Recommended Drill Driver’s Specification

  • Torque:  More than 7 Nm (62 in-lbf)
  • Chuck:  Drill chucks or quick-change 1/4” hex chucks

Drill Drivers Whose Operation Confirmed


Note: The Torque of FIXA 7.2 V is only 5 Nm, but it has enough power for grinding coffee in our evaluation.

Item        $16.0

Shipping  $6.0〜

Delivery Time  Varies by country  (About 7-14 Business days)