Irwin 7/8 In. Black Oxide Silver & Deming Drill Bit House-Hasson Multi-Material Drill Bit Sets Features:

Multi-Material Drill Bit Sets Features:

for engraving on a wide variety of materials like metal

For Removing Caulk

Up to 150% faster than other competitive bits

demo demon

Irwin 7/8 In. Black Oxide Silver & Deming Drill Bit House-Hasson Multi-Material Drill Bit Sets Features:135 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.