Star Drive Hex Washer Head Masonry Screws, 100 Pieces with Drill Bit - 5/16" x 2-3/4" Concrete Masonry Screws, Rust Resistant High Strength

TorqueMaster masonry screws are designed with heavy duty masonry anchoring applications in mind. Manufactured with hardened alloy steel for maximum strength and coated with a Blue Ruspert coating for superior rust resistance, TorqueMaster masonry screws are suitable for both interior and exterior use, as well as use in ACQ treated lumber. The star drive eliminates cam-out, while serrated threads help cut through the pre-drilled hole for a strong hold. The appropriate driver and drill bit are included in each box of TorqueMaster screws.

• COMBO HEX & STAR DRIVE: The hex and star drive design provides maximum installation torque and ease of use.
• HIGH STRENGTH: Made with case hardened alloy steel for maximum durability and strength.
• SERRATED THREADS: Serrated threads cut into the walls of the pre-drilled hole for easy installation and a strong hold every time.
• BLUE RUSPERT COATING: Suitable for exterior and treated lumber applications, the blue ruspert coating provides superior rust resistance.
• DRIVER & DRILL BIT INCLUDED: The proper driver bit and carbide-tipped masonry drill bit are included in each box of TorqueMaster screws.