• Single flute allows for faster feed rates
• For window and door cutouts in abrasive insulation materials, plywood, and paneling
• Drill-through pilot for guiding on templet or framing after panel has been mounted
• Fully hardened steel shank

High speed steel bits can be easily sharpened to a very fine edge for smooth, precise cuts. HSS bits work best with softwoods/light plastics. Pilot panel bit has a drill-through point that plunges through the material, and is used for window and door cutouts in abrasive insulation materials, plywood, and paneling.