Senco #8 x 2 1/2" #2 Square Yellow Zinc Flat Sharp 2/3 Coarse 08F250YK

Square recess provides excellent torque transmission for high torque applications. Flathead provides strong holding power for most wood applications. 2/3in thread prevents gaps between the sheathing and support studs which can cause squeaks. The drive is finished when the screw is below the work surface Overdriving may cause a weak connection or thread strip-out of the wood Ultra sharp point quickly penetrates wood reducing drive time