The first impact rated countersink on the market, Ground flutes for high accuracy & long life, Perfect concentricity for accurate countersinking, Industrial grade Titanium Nitride coating reduces heat buildup and burn-out, Heavy-duty hex shank design for secure non-slip operation.

The first impact rated countersink on the market, Ground flutes for high accuracy & long life, Perfect concentricity for accurate countersinking, Industrial grade Titanium Nitride coating reduces heat buildup and burn-out, Heavy-duty hex shank design for secure non-slip operation.

3/16-1/2″ (1/16″ Increments), Market leading 3/16″ (5mm) thickness, spiral flute design and size markings at each step, 118º split point angle for easy hole start & pilot accuracy, Industrial grade Titanium Nitride coating reduces heat buildup and burn-out, Use on Impact to prevent dangerous kickback caused by handheld rotary tools.

5 heavy-duty drill bits in one tool, Drill new & enlarge existing holes in metal up to 1/2″ thick, Safety collar prevents injury & damage when using the largest step, Upgraded spiral-flute design for increased performance and swarf clearance, Heavy-duty hex shank design for secure non-slip operation.

7/8″, Precision 6-flute design for smooth cutting, Edge cutting design for hole enlargement, giving much better results that a drill bit, Industrial grade Titanium Nitride coating reduces heat buildup and burn-out, Use on Impact to prevent dangerous kickback caused by handheld rotary tools.