Large Step Drill Bit, 1/4 to 2-3/8 inch High Speed Steel Drill Cone Bits for Sheet Metal Hole Drilling Cutting, Sprial Unibit Extra Large 2-3/8 inch

"Dual Flute Prevent the Splashing The two flute design provides a smoother cutting, allows the material particles escape easily for a much more clean drilling operation, can be used on electrical drill, cordless drill, or high impact drill press machine.

Smooth & Clean Drilling Dual grooves quickly remove swarf and chips as you drill, keeping your work safe and each hole well deburred.

Non-Walking Design The split point tip is at 118 degrees to increase the wear resistance."