Diablo Tools Metal Demon Drill Bits Set for Mild, Hardened and Stainless, 15 Piece

15-piece set
Up to 30X longer life than standard drill bits
Split Point Tip (130°) makes pre-drilling obsolete and maintains the tips sharpness resulting in increased speed and accurate starts
Thermal Shield Protective Coating™ protects the tip against heat, increasing bit life and maximizing bit durability
Automated Precision CNC Grinding Process reduces bit wear and enables faster drilling
Optimized Flute Design removes metal debris and shavings faster, keeping the tip cooler for ultimate strength and durability
Ideal for metal (mild steel), cast iron, stainless steel, and sheet meta
Can also be used to drill through wood and plastic
Includes (1) each of the following: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4", 5/16”, and 3/8”