Product Description

The IRWIN TOOLS Metal Countersink Drill Bit Set features precision ground 82° tips for countersinking most machinable metals, wood, and plastic. 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", 3/8", 1/2", 5/8", and 3/4" countersinks, and a drawer Case.

From the Manufacturer

IRWIN 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 for increased durability, and they include a black oxide finish for added corrosion resistance. The five flute design reduces vibration for smoother drilling and extended life. Plus, the 1/4" round shank fits all handheld and stationary drills.

• Precision Ground 82° Tip For Countersinking Most Machinable Metals, Wood, And 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 B00IZFHZUK