ʻO ka burr grinder ka ʻāpana nui o ka wili. E hāʻawi pololei nā burrs wili ʻokoʻa i ke anawaena kope kope. Hoʻokaʻawale ʻia nā ʻano burrs grinder burrs i kēia manawa i burr conical, burr pālahalaha a me nā burr niho ʻuhane.