GRK Caliburn XL Concrete Screws
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