Irwin 5-Piece Black Oxide Countersink Bit Set for Metalworking

Description

• 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 In. round shank fits all handheld and stationary drills
• Includes: 1/4 In., 3/8 In., 1/2 In., 5/8 In. and 3/4 In.