Bit has elongated four flute Helix for faster material removal and three flats on the shank that prevent it from slipping back into the chuck. Used for drilling small holes in masonry, concrete, rock and artificial Stone.

• Strong core: Tapered core for bit strength and maximum durability, especially when drilling deep holes
• Aggressive material removal: Two stage flute design with variable helix pattern allows for efficient debris removal
• Clean, round holes: Two sharp cutting edges for true holes
• Wear mark indicator: For accurate diameter of holes