Irwin 7/8 In. Black Oxide Silver & Deming Drill Bit Valves & Parts you create a larger space

you create a larger space for heat transfer from the exhaust so you can heat a larger area with your barrel camp stove

2X nail cutting life compared to standard Irwin ship augers

The 14 inch Silver Segmented Diamond Blade has 10mm high segments and a 60mm arbor hole

For interior and exterior use

Irwin 7/8 In. Black Oxide Silver & Deming Drill Bit Valves & Parts you create a larger space135 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.