Heavy Duty, Wire Gauge Number Sizes
Item #: 1705C-NUMBERS 
Short Flute And Short Overall Length Increase Rigidity When Using In Handheld Power Drill
Accurate Drilling Due To Increased Rigidity
Made Of Heat Resistant Cobalt For Smoother Drilling And Longer Tool Life
Self-Centering 135° Split Point For Precision Drilling- Drill Will Not Walk
Ideal For Drilling High Tensile Materials Like Stainless Steel, Titanium, Manganese Steel, Armor Plate, and Iconel