1/4" x 4" long Groo-V Tip Granite, Marble and Porcelain Multi-Purpose Drill Bit - Pack of 25

• TILE • MARBLE • GRANITE • PORCELAIN • MASONRY • CAST IRON • HARDENED STEEL •

Designed for Drilling Marble, Granite, Porcelain Tile, Hard Metal, Plastic, Wood, Masonry

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!

Point Diameter: 1/4 in (6.3 mm)
Shank Diameter: 1/4 in (6.3 mm)
Overall Length: 4 in (101.6 mm)
Drilling Depth: 2-1/4 in (57.1 mm)

Pack of 25

Note:
A drill press - supported drill motor is recommended for drilling hard metal.
Shank Diameter 3/8" and larger have 3 flats on the shank to reduce the possibility of slipping in the chuck.