Percussion or rotary-only, the GrooV 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.)

Includes

• 3/16" x 6"
• 1/4" x 6"
• 5/16" x 6"
• 3/8" x 6"
• 1/2" x 6"