Irwin 7/8 In. Black Oxide Silver & Deming Drill Bit Christmas Lighting The PCD triple-chip design offers

The PCD triple-chip design offers up to 60-times longer cutting life than standard carbide blades

Lifetime faucet and finish warranty

This Small Pen is a part of our Working Knives collection

Superior Abrasion Resistance Verse SJTW Cord

Incorporates an inert thermal element coating that provides effective isolation from mineral deposits

Irwin 7/8 In. Black Oxide Silver & Deming Drill Bit Christmas Lighting The PCD triple-chip design offers135 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.