Description:

Hole Drill Bit Size: 13mm / 0.5" ; Material: HSS, Titanium Plated. Openings for stainless steel, iron, aluminum, and various types of pipes.. High precision, smooth cutting, especially impact resistance, wear resistance.. Hole drill bit is through a special heat treatment, sharp edge, high strength. Long life durable and practical.. Perfect for Installing Locks, Knobs in Doors and Cabinets or Drilling Larger Diameter Holes Through Desks Etc..