Simpson Strong-Tie HCKDCLR212S Composi-Lok Collated Deck Screw, #9 x 2-1/2", Red

Convenient plastic collated strip holds 30 screws. Multi-diameter screw, coarse and fine thread, sharp point, cap head and Xtreme-Coat corrosion protection. Requires #2 square drive. Engineered specifically for use with composite lumber materials. Unique thread and head design deliver solid holding power and eliminate the "mushrooming" problem associated with composite materials.

• For use with composite lumber materials
• "Wings" on the shaft counter bore the hole, creating a channel for excess material and reducing upward pressure on the head of the screw
• This prevents the screw from "spinning out" when fastening harder boards in cold or wet conditions
• The cap style head captures any mushrooming material, keeping it out of sight and ensuring a clean-looking installation
• The quik guard coating allows the screw to be used with certain preservative-treated wood substrates.

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