10 Sizes Step Drill Bit for Metal Sheet, 1/4 to 1-3/8 Inches High Speed Steel Drill Cone Bits for Hole Drilling Cutting, HSS Multi Size Hole Stepped Up Unibit

Designs for Smooth Cutting 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.

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.