Irwin 3/4 In. Black Oxide Silver & Deming Drill Bit Category_Garage & Tool Storage and driving screws

and driving screws

Parabolic flute design for improved heat dissipation and increased life

Blade storage that holds up to two additional blades

aggressive angles for faster drilling

Irwin 3/4 In. Black Oxide Silver & Deming Drill Bit Category_Garage & Tool Storage and driving screws135 deg. split point for no slip starting on hard materials. Parabolic flute design for improved heat dissipation and increased life. Industrial M7 grade steel for high performance drilling in metal, wood, and plastic. Black oxide coated for longer life and greater resistance to wear. Jobbers length. For drilling through metal, wood, fiberglass, stainless steel.