KnKut Drill Bits are the standard when it comes to quality. Manufactured proudly in the USA, KnKut Drill Bits are made from a high grade Molybdenum High Speed Steel which has a high Vanadium content. KnKut Performance Drills are salt nitride treated, actually penetrating the tool's surface giving KnKut Drills the hardness to drill tough materials such as stainless steel and titanium alloy. Made in the USA Nationally Distributed