Percussion or rotary-only, the Groo-V Tip bit makes holes in almost all materials! Engineered for drilling hard materials, these specialized Ram Tip Bits have a serrated carbide tip, which penetrates faster - up to 50% faster than standard masonry bits! (A drill press-supported drill motor is recommended for drilling hard metal.)
Overall Length: 4"
Drilling Depth: 2-1/4"