Concrete Screw Bits.
For Rotary or Percussion Drilling
Chrome Vanadium Steel Shank for enormous strength
Cobalt & Tungsten Carbide Tip
Applications: Masonry, ceramic tile, concrete,
brick, fiberglass, plexiglass, glass, cast iron,
hardened steel, granite, marble, and wood
Outlast regular carbide tipped bits
Withstands heat up to 1900 deg. F.
Round Tube