Irwin - High Speed Steel Countersink Bit Set - 5 Piece

Made from industrial grade high-speed steel for increased durability, each countersink has a black oxide coating to resist corrosion and a five-flute design that reduces vibration for smoother drilling and an extended life. Set includes 1/4-in, 3/8-in, 1/2-in, 5/8-in, and 3/4-in countersinks, and a drawer case.

• 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