Caliburn XL Concrete Screws by GRK Fasteners


Caliburn XL Concrete Screws by GRK Fasteners

DecksDirect Item #5197

* Required Fields

Starting at: $19.99

Price reflects options chosen above

The final product price may change based on the combination of size/type/finish/style you choose.

Availability: Choose options above to see availability

Quick Ship

This item typically ships same day!

Orders over $99 qualify.
    Most orders delivered in 3 days or less. Check your delivery time

Return this item for a full refund with no restocking fee. details

GRK logo

 Durable Quality   DIY Friendly   Industry Leader 

GRK Fasteners offer hardware featuring exclusive weather-sealant and no pre-drilling... Learn More



Caliburn XL Concrete Screws by GRK Fasteners are professionally engineered fasteners for concrete and similar applications. They feature a patented thread design for ease of driving the screw. The Caliburn XL are Climatek coated for high corrosion resistance. They are designs for multiple applications with the recommended GRK Drill Bits.

Caliburn XL Concrete Screws by GRK Fasteners are easy to use. Simply pre-drill pilot hole with 1/4 GRK Concrete Drill Bit, clear concrete dust from hole, and drive the screw with GRK #40 Starhead Bit.

Product Specifications

Drive TypeStar/Torx
Head TypeXL washer head
Screw Length2-3/4", 3-1/2" and 5"
Screw Size19/64"
Material TypeCase Hardened Steel with Climatek coating
Pack Size2-3/4" = 25 Fastener Pack
3-1/2" = 25 Fastener Pack and 400 Bulk Pack
5" = 25 Fastener Pack and 300 Bulk Pack
Coverage Estimaten/a
Included Accessories25 Pack = 1/4" Concrete Blitz Drill Bit and the #40 Starhead Bit
Bulk Pack = None
WarrantyGRK Limited Lifetime Warranty
Other Pre-drill with 1/4" Concrete Drill Bit for GRK Fasteners
Drive screw with #40 Starhead Bit by GRK Fasteners


Additional Information

Additional Information

DecksDirect Item # 5197
Manufacturer GRK Fasteners

GRK logo

GRK Fasteners feature exclusive weather sealant and require no pre-drilling to exceed expectations without breaking the bank. Founded in 1990, GRK Fasteners produces unique, high-quality deck screws for use in wood, metal, and concrete projects.


authorized retailer

GRK Fasteners offer unmatched versatility, from the tiniest trim screw to extra large structural screws. Each item goes through GRK's exclusive Climatex three-coat process, protecting the screws from rain, snow, cold, and heat.


GRK Fasteners are often the top choice for builders as their products are dependable and innovative, available here at


Features and Benefits
  Durable Quality This brand offers products that are built to last and withstand the elements.
  DIY Friendly This brand is reliable and easy-to-install for professionals and DIYers alike.
  Industry Leader This brand is known globally as a leader in premium decking products.
Shop by Category
GRK Fasteners Deck ScrewsDeck Screws GRK Fasteners Structural ScrewsStructural Screws GRK Fasteners Installation ToolsTools

Other Items You May Like:

Product Reviews & Questions:

Post your comment