Irwin 3/4 In. Black Oxide Silver & Deming Drill Bit Suits Big gaps call for big

Big gaps call for big seals

Made from high-density tungsten Carbide for toughness

Replaceable burn tube assembly

You can choose between size and coarseness

They feature a lightweight and durable red rubber pad

Irwin 3/4 In. Black Oxide Silver & Deming Drill Bit Suits Big gaps call for big135 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.