Feature

●Recessed Star drive affords zero stripping with 6 points of contact.
●Aggressive Heavy Duty Threads lock ino concrete and can be removed/reinserted without screw damage.
●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


Description

Product Description

GRK 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 designs for multiple applications. Recommended for use with GRK Drill bits. Caliburn Screws are available with a standard flat head design, pan head PH and washer head XL.

From the Manufacturer

GRK 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 designs for multiple applications. Recommended for use with GRK Drill bits. Caliburn Screws are available with a standard flat head design, pan head PH and washer head XL.