Caliburn XL Concrete Screws by GRK Fasteners
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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 Inch GRK Concrete Drill Bit, clear concrete dust from hole, and drive the screw with GRK #40 Starhead Bit.
|Head Type||XL washer head|
|Screw Length||2-3/4 in, 3-1/2 in, and 5 in|
|Screw Size||19/64 in|
|Material Type||Case hardened steel with Climatek coating|
|Pack Size||2-3/4 in: 25 pack|
3-1/2 in: 25 pack and 400 bulk pack
5 in: 25 pack
|Included Accessories||25 pack: (1) 1/4 in Concrete Blitz Drill Bit, (1) #40 Starhead Bit|
|Warranty||GRK Limited Lifetime Warranty|
|Other||Pre-drill with 1/4 Inch Concrete Drill Bit for GRK Fasteners|
Drive screw with #40 Starhead Bit by GRK Fasteners