SUTTON TOOLS® D604-Series Glass & Tile Drill Bits are designed for smooth drilling in up to Class-3 Ceramic Tiles and Glass but can also be used for drilling brick, plastics and fibreglass.
Their unique design features a specialised Tungsten Carbide Tip (TCT) with Spiral Flutes which makes these drill bits last up to 7X longer and cut 30% faster than traditional glass & tile bits.
NOTE: These bits are not suitable for drilling toughened glass.
Features

4-Facet Diamond Spear point Design - Shaves rather than cuts for improved precision and penetration
Stronger Carbide Tip with Copper Brazing - Provides better heat resistance giving up to 7X longer life
Spiral Flutes - Aids dust extraction and reduces heat build-up for 30% faster drilling
Longer Overall Length - Permits deeper drilling than standard glass & tile bits
Cylindrical Shank - Suits non-hammer action portable power drills

Specifications

Diameter: 4.0 mm
Overall Length: 80 mm