Patented Flute: Increased flute capacity ensures efficient and speedy removal of the drilling dust and high operator comfort.

Patented Carbide Tip: Drills 25% faster than previous designs. Self centering. 25% more tungsten carbide improves durability. Works better in reinforced concrete.

Extra-short Drill Bit Head: The drilling dust goes directly into the flute and is disposed of immediately.

Made from Chrome Vanadium Steel: Spring steel with maximum flexibility. Perfect for installing 1/4" fasteners up to 3-1/4" long.SKU: D4Y $6.86