What size screws to use on privacy fence?

For constructing a privacy fence, typically, 2.5 to 3-inch screws are recommended for securing fence pickets to the rails. If attaching the rails to the posts, 3 to 4-inch screws are ideal for added stability. It's important to use galvanized or stainless steel screws to prevent rust and ensure longevity. Always check local building codes for specific requirements.