Impact mills only produce flour, and never from an oily grain or seed.
Any mill on the market can produce flour of varying coarseness, but if you want to crack your grains for grits, or mill oily grains, seeds, and beans, you need a burr mill.
It also grinds oily grains or peanuts, and, in fact, they offer a special attachment for making peanut butter.
It is such an oily grain
that it doesn't freeze solid; just scoop out what you need.
Best feature: Has both a stainless steel and stone processors for milling both dry and oily grains
(the stone is for the dry grains; the stainless steel is for oily or "wet" grains).
This research analyses the industrial sector of edible oils in Argentina manufactured from oily grains
, oilseeds and olive, involving the performance of local production and distribution of both crude oils for export, and refined and fractionated ones for domestic consumption in home, institutional and industrial markets.
However, you cannot use oily grains
like corn or coffee beans in a burst mill.
But if you want to crack your grains for grits, mill oily grains
, seeds or beans, a burr mill might prove more useful.