IRWIN 1877720 Drill Bit Set, Countersink, Black Oxide, 3-Piece RV Cleaning & Maintenance Convenient Storage - Built-in holders

Convenient Storage - Built-in holders for pendant and cotter pins

Maximum performance in cordless and corded drill drivers

precision fit tools that have the tightest tolerances for straightness and concentricity in the industry

The innovative direct-drive Gearbox and guard system is engineered for increased vertical cutting capacity (5-1/4”) and crown molding cutting capacity (6-5/8” nested)

IRWIN 1877720 Drill Bit Set, Countersink, Black Oxide, 3-Piece RV Cleaning & Maintenance Convenient Storage - Built-in holdersIRWIN high speed steel countersinks feature a precision ground 82 degree tip that makes them ideal for countersinking into most machinable metals. They're made from industrial grade high speed steel. Key Features: Black oxide finish for added corrosion resistance The five flute design reduces vibration for smoother drilling and extended life 1 4 In. round shank fits all handheld and stationary drills Increased durability