DeWalt DT5061 Extreme 2 HSS Metal Drill Bit 12.5mm x 151mm

Features and Benefits:
Up to 4X faster than conventional HSS Drills
Cleaner, more accurate, burr-free holes due to recessed cutting wings
Unique metal tip starts cutting on contact eliminating walking (3.2mm and above)
3 flat shank (5.0mm and above)
12.0mm and above have a reduced shank (11.4mm dia)
Suitable for Steel, Alloys, Thin Materials, Wood & Plastics