Brand: WALTER Features: Made with a cobalt blend, allow you to drill more holes faster on any type of material. "High flow" flute design Back tapered body Exclusive self-centering 135° "Speed Tip" Special bronze SST surface treatment Specifications: Drill size : #2 Flute length : 2-5/8 in Overall length : 3-7/8 in Applications : Mild steel, non-ferrous metal and stainless steel