Simpson Strong-Tie 1/4" x 1-3/4" Titen Turbo Flat Head Blue Concrete Screw Anchor - Zinc, Qty. 25 GDPS Gas Actuated Step Shank Pins W/ Fuel Cell 8-18 x 1/2" HWH Steelbinder

8-18 x 1/2" HWH Steelbinder self-drilling pole barn screws are designed for general metal to metal construction applications

(2) STN22 Hex Head Washers

with the larger hole designed to accommodate 1/2"-diameter concrete screws such as the Simpson Strong-Tie Titen HD®

Pre-Drilling: When using engineered or dense lumber

Simpson Strong-Tie 1/4" x 1-3/4" Titen Turbo Flat Head Blue Concrete Screw Anchor - Zinc, Qty. 25 GDPS Gas Actuated Step Shank Pins W/ Fuel Cell 8-18 x 1/2" HWH SteelbinderSimpson Strong Tie Titen Turbo Flat Head Screw Anchors offer a powerful combination of speed, strength, and clean finish. Ideal for fastening into concrete, brick, or block, these flat head screws go in strong without needing any extra anchors or sleeves. Engineered with patented Turbo threads these anchors drive easily into masonry while reducing torque load. A built in torque reduction channel captures dust as you go, helping prevent thread lockup,