Irwin Tools 1877720 3-Piece Metal Countersink Black Oxide Drill Bit Set Service Equipment Simultaneously compresses all four pistons

Simultaneously compresses all four pistons on quad piston applications

Metal case

595 ratings 4

No more pounding chisels or torches - safe and fast removal

Quad rivet end hook is extra durable

Irwin Tools 1877720 3-Piece Metal Countersink Black Oxide Drill Bit Set Service Equipment Simultaneously compresses all four pistons3 Piece Metal Countersink Black Oxide Drill Bit Set Features Precision ground 82 tip for countersinking most machinable metals, wood or plastic Made from industrial grade high speed steel for increased durability Includes a black oxide finish for added corrosion resistance Five flute design reduces vibration for smoother drilling and extended life 1 4" round shank fits all handheld and stationary drills Specifications Shank Size: 1 4" Material: High