High speed steel features a Black body and Gold flute. Self-centering Jet Point tip for clean entry and fast starts; stays sharp longer. Three flatted shank on 3/16 and above for better chuck grip. Cutting Diam: 5/64 in. Flute Length: 1 in. Overall Length: 2 in. Applications: High performance metal drilling for portable drill users. Finish: Black Oxide Gold Oxide. Point Shape: Jet Point. Type: HSS Drill Bit.
Great drills for the price. Came quickly and in good condition. Thanks Irwin Industrial for another good product.