Irwin 1882792 Tapered Countersink Drill Bit Set, 8 Pieces Set Files / Rasps Includes an anti-microbial coating for

Includes an anti-microbial coating for increased mold protection

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

Point Type : Diamond

Flush mounted controls

Irwin 1882792 Tapered Countersink Drill Bit Set, 8 Pieces Set Files / Rasps Includes an anti-microbial coating forHighlights: 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: