Senco #8 x 3" #2 Square Exterior Trim Type 17 2/3 Coarse 08R300W

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