GRK 19/64" x 2-3/4" CaliburnGäó XL Concrete Screw Handy-Pak

For heavy duty concrete and masonry. Zero stripping recessed Star Drive. Aggressive Heavy duty threads lock into concrete. Can be removed and reinserted without screw damage. Countersinking Bugle Head locks wood to concrete for complete installation and effective anchoring. Caliburn PH pan head is ideal for an exposed finished look including installation of electrical boxes. Caliburn XL washer head design for superior holding power. Caliburn XL is code approved under ICC report ESR-3251. Climatek coating is AC257 code approved for use in treated lumber.Recessed star drive ensures zero stripping, with 6 points of contact

Recessed star drive ensures zero stripping, with 6 points of contact

Aggressive heavy-duty threads lock into concrete and can be removed and reinserted without screw damage

ClimatekG coating is AC257 code approved for use in treated lumber

CaliburnG XL washer head design for superior holding power

ClimatekG coated for high corrosion resistance

CaliburnG concrete screws are professionally engineered fasteners with a patented thread design for ease of driving the screw in pre-drilled concrete and similar applications

Caliburn's uncompromised draw and pull-out strength make it possible to be used in jobs which previously required an anchor

The screw's aggressive thread design afford it the ability to be removed and reinserted into the same pilot hole numerous times without the concern of the fastener breaking or the threads wearing

ESR-3251 approved for use in anchoring into concrete