GRK CALIBURN Handy-Pak 1/4 x 2-1/4" (50 pcs) (57156)

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  • GRK CALIBURN Handy-Pak 1/4 x 2-1/4" (50 pcs) (57156)
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GRK CALIBURN Handy-Pak 1/4 x 2-1/4" (50 pcs) (57156)

Caliburn Concrete Screws are case hardened steel fasteners with a patented thread design which allows for easy installation, removal, and re-insertion in concrete and similar material.  They are available in three different head designs: Flat Head, Pan Head (PH), and Flat Washer-Head (XL) all with star drive recess to best meet your application requirements.

All GRK Fasteners feature Climatek all weather coating the premier corrosion protection coating orginally designed for the U.S. Navy.  Climatek is primarily gold to match most wood finishes but is available in a range of colors for some products.  Climatek exceeds the standards for AC257 and conforms to ICC Reports ESR-2442 and ESR-3201.


  • Application: Concrete & Masonry
  • Bit Type: Star Drive
  • Case Hardened Steel
  • Self Anchoring System
  • Removal and Reinsertion into same pilot hole multiple times
  • Pre-Drilling Required: 3/16" Drill Bit
  • Climatek coated for high corrosion resistance
  • Approved ICC Report ESR-3251


  • Length: 2-1/4"
  • Wire Size: 1/4
  • Driver Bit: T-30
  • Climatek Coated: provides all weather corrosion protection


  • Aprox. 50 Caliburn Concrete Fasteners
  • 1 x Bit Size T-30 Diameter #1/4
  • 1 x 3/16 Masonry Drill Bit
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