Caliburn™ Concrete Screws

Heavy Duty Concrete and Masonry Fasteners

Professionally engineered with a patented thread design for ease of driving the screw into concrete and similar applications:
  • CALIBURN™ Star Drive Recess: Countersinking bugle head locks wood to concrete for complete installation and effective anchoring
  • CALIBURN™ XL: Washer head design for superior holding power