Bosch HCFC2011 Hammer Drill Bits, 3/16" x 6-1/2" Universal NSF certified for use in

NSF certified for use in potable water

Dries on two hours on bare wood

Surface Texture: Very Smooth to Semi-Rough Surfaces

Silicone brush head is heat resistant to 500 degrees F

Contains 5 sachets

Bosch HCFC2011 Hammer Drill Bits, 3/16" x 6-1/2" Universal NSF certified for use inFull head carbide tip lasts longer for faster drilling speed and less carbide wear; the centric conical tip guides bit through concrete, provides rounder holes. Wear mark alerts the user when bit has worn to a level inappropriate for precision anchoring. Highlights: Diffusion bonding technology provides stronger carbide bond for the longest lasting bit 4X life in all concrete types and concrete with rebar Wear mark assures hole diameter tolerance for