GRK Fasteners 67730 Pheinox 305 Stainless Steel FIN/TRIM Finishing Trim Head Screw, #8 x 2-1/2"Highlights: Screw Size : NO 8 in Length Under Head : 2 1 2 in Head Style : Trim Drive Size : T 10 Material : Hardened Stainless Steel Usage : For Interior and Exterior Construction Coastal Areas and Below Ground Applications, Pools, Cocks and Boardwalks Corrosion resistance for harsh environments Corrosion resistance for wet environments Stain resistant in specialty wood W Cut thread design tiny saw blades reduce torque by cutting through the material