#9442 - Blue Steel 2pc Max-Duty Step Drill Set

• Two professional duty step-drills in popular sizes, up to ½” by 32ths and up to ¾” by 16ths
• Titanium Aluminum Nitride (TiALN) for extreme heat and wear prevention, not just a decorative coating like most step drills
• Unique formulation continually replaces itself with a clear oxide wear preventative coating as it wears away from use
• Double fluted design for perfectly round holes with sharp cutting angles to quickly drill through everything from sheet metal to ½” thick plate