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Caliburn™ Concrete

Heavy Duty Concrete and Masonry Fastener
Cailburn™ Concrete screws are professionally engineered fasteners with a patented thread design for ease of driving the screw into concrete and similar applications.

Quick info

SKU: CCS Category:

Heavy Duty Concrete and Masonry Fastener

Caliburn™ Concrete Screws are professionally engineered fasteners with a patented thread design for ease of driving the screw in concrete and similar applications. Available in three different head styles for multiple applications. Caliburn™, Caliburn™ PH, and Caliburn™ XL are Climatek™ coated for high corrosion resistance. Caliburn’s uncompromised draw and pull-out strength make it possible to be used in jobs which previously required an anchor. The screws 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. Available in lengths from 1-3/4″ to 5″ with a diameter of 1/4″ or 19/64″


  • Recessed Star Drive: Zero Stripping, with 6 points of contact.
  • Aggressive Heavy duty threads lock into concrete and 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, which is ideal for an exposed finished look including installation of electrical boxes.
  • Caliburn™ XL washer head design for superior holding power.
  • Climatek™ Coating is AC257 code approved for use in treated lumber.
  • Ideal for use in anchoring to concrete or wood to concrete applications including basement framing and sheds.

Selection Chart

1/4" x 1-3/4"6.0 x 4557153M/50
1/4" x 2-1/4"6.0 x 5557156M/50
1/4" x 2-3/4"6.0 x 7057159M/50
1/4" x 3-1/2"6.0 x 9057163M/50
1/4" x 2-1/4"6.0 x 5557831M/50
19/64" x 2-3/4"7.5 x 7057774M/25
19/64" x 3-1/2"7.5 x 9057778M/25
19/64" x 5"7.5 x 12557785M/25


  • Drill and Driver Bits for Selected Part Numbers
  • Quality Policy
    It is the policy of GRK Fasteners Ltd. to provide top quality fasteners that require no predrilling, suitable for all applications and provide strength and finishing that customers and construction codes require.

    GRK Fasteners (“GRK”) warrants to the first retail purchaser that its Climatek™ coated will not rust under normal environmental conditions when used in accordance with the recommendations listed in GRK’s Screw Selection Guide for the life of your project.

    This warranty is not transferable.

    GRK is not responsible for product failure caused by the improper use or installation of its own or other building materials. The warranty does not cover damage as a result of alteration, accident, misuse, neglect, reuse, warn building materials or use not in accordance with the Screw Selection Guide.

    The warranty is limited to the replacement of defective screws only.

    To obtain service under this warranty, the original purchaser must return defective screws, photos of the project in which failure occurred, and purchase receipt from the retailer at which the screws were bought to:

    GRK Fasteners Canada
    ITW Construction Products Canada
    120 Travail Road, Markham, ON L3S 3J1
    Tel: 1-800-387-6472