5/16" x 6" Simpson Straight Shank Masonry Drill Bit - Carbide Tip, Pkg 25 Drop-In Anchors rust-resistant screws to securely fasten

rust-resistant screws to securely fasten the boot to the roof

Enhanced Durability: The 1-inch standoff design meets code requirements and helps prevent post rot

For combined sloped and skewed installations

This product is intended for use with Rough Cut 6x6 lumber but is also available in other sizes

Sharp point and thread design for smooth driving and reduced cam-out

5/16" x 6" Simpson Straight Shank Masonry Drill Bit - Carbide Tip, Pkg 25 Drop-In Anchors rust-resistant screws to securely fastenStrong Tie Titen masonry drill bits feature a durable carbide tip and are designed to be used with a 3 jaw style chuck to drill into concrete.