7 x 2 1/4 Simpson Trim-Head Wood Decking Screws - Square Drive 305 SS - 5 lbs Pack (690) 3/4-10 Grade 5 Hex Cap Screws Zinc Plated Over-sized thread diameter tightly fills

7 x 2 1 4 Simpson Trim Head Wood Decking Screws Square Drive 305 SS 5 lbs Pack (690) 3 4 10 Grade 5 Hex Cap Screws Zinc Plated Over sized thread diameter tightly fills Over sized thread diameter tightly fills the existing spike holes for better holding strength and a watertight fit #3 square drive virtually eliminates cam out during hard to reach installations Durable UV resistant white and brown head paint matches most gutter systems Thick galvanized base coating guaranteed not to rust or react with aluminum Free driver bit included American made Galvanized nuts are over tapped per ASTM A563 Coarse threads run approximately 2 3 up the shank to draw the decking tightly to the substrate Pre drilling is recommended near board ends to prevent splitting