Step Drill Bit #4 - Single Flute features:

• Single-fluted design eliminates skidding and makes for easier sharpening.
• Laser-etched hole sizes are easy to read and permanent.
• Tip is anti-skid to reduce the need for center punching or pilot hole drilling for most sizes.
• Used to drill multiple-size holes in metal, plastic, and wood.
• Works in most metals (steel, brass, aluminum, and copper) as well as plastic and wood.
• Size Range: 13/16 inch to 1-3/8 inch.
• Number of Hole Sizes per Bit: 10 in 1/16 inch increments.
• Electric Drill Size: 1/2 inch and larger.
• Depth Penetration for Each Step: 1/8 inch.