Irwin 1882792 Tapered Countersink Drill Bit Set, 8 Pieces Set Files / Rasps Especially popular for sidings scheduled

Especially popular for sidings scheduled for finishing with paints or pigmented stains

Features a waterproof design with unique floatability

Size : 4" L  x 1-3/4" H  x 3-1/8" W

Cut-off Factor: 2

Flush mounted controls

Irwin 1882792 Tapered Countersink Drill Bit Set, 8 Pieces Set Files / Rasps Especially popular for sidings scheduledHighlights: Tapered drill with widened flutes for drilling fast, clean pilot holes Adjustable four cutter counter bore cuts and clears chips quicker for fast, smooth counter sinking Counter bore attaches to flats on shank with two hex screws for a secure fit and can be adjusted for controlled pilot hole depth 1 4" quick change shank reduces slipping in standard chucks and is compatible with all 1 4" quick change chucks and impact drills Set includes: