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

€ TILE € MARBLE € GRANITE € PORCELAIN € MASONRY € CAST IRON € HARDENED STEEL € Especially Suited 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) Minimum Order: 1 Each 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. Special Order: 1/4" Groo-V Tip multi-purpose bits are available in longer length (12", 18" and 24") as a special order. Call 888-663-9830 for availability and pricing.