MULTI-DIAMETER DRILLS - One drill can produce up to 13 different hole sizes.
DOUBLE FLUTED DESIGN - Drills clean, accurate, burr-free holes in thin materials quickly and easily.
HIGH MOLY ALLOY STEEL - Special high speed alloy construction provides superior wear resistance for extended tool life.
FERRO-GOLD SURFACE TREATMENT - Provides superior surface lubricity for fast and smooth cutting action.
3 FLATS ON SHANKS - Flatted shanks eliminate chuck slippage.
VERSATILE - Can be used on portable drills, drill presses and lathes.
MULTI-MATERIAL - Stainless steel, steel, aluminum, brass, other metals, rigid plastics, laminates and most material with a thickness equal to or less than the step depth of the drill.