Irwin HSS Black Oxide Countersink Drill Bit Size:1/4" High mechanical strength

High mechanical strength

Strong suction in both wet and dry application

1pc socket handle

These tools also come with a carrying case for added convenience

Robust racking solution can load up to 440 lbs

Irwin HSS Black Oxide Countersink Drill Bit Size:1/4" High mechanical strengthIRWIN 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. 1 4" round