Browse end mills in a variety of sizes to find the perfect one for your knifemaking project. Two flute end mills are best for machining softer materials like wood and aluminum; four flute end mills are ideal for machining steel and harder alloys. End mills can be used for cutting in any direction, as opposed to drill bits, which can only cut in one direction. Shop Jantz Supply for everything needed to make a high-quality knife at an affordable price.