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 or plastic Five flute design reduces vibration for smoother drilling and extended life Made from industrial grade high speed steel for increased durability Includes a black oxide finish for added corrosion resistance 1/4″ round shank fits all handheld and stationary drills Set includes: 1/2″, 5/8″ and 3/4″
