These machines allow you to grind beans to whatever texture you need based on your preferred coffee-brewing method. There are two main types of coffee grinders: blade grinders and burr grinders.

whole coffee beans scattered on a table next to a cup of coffee and a spoonful of ground coffee - Simarik/Getty Images ...

Okay, so you bought a bag of heavenly-smelling single-origin beans down at the hipster coffee shop ... old manual abrasive disc grinder, like for grinding metal, not beans. After oiling it ...

What a lot of types of coffee too; you can scroll through more ... First, our reviewer had to grind the beans into the portafilter, then fit it into the central spout (the 'group head', if we ...