10-24 Stainless Steel Phillips Flat Head Machine Screws 18-8 Stainless Steel Includes 303 & 304 Grades #10-24 Right Hand Thread, UNC Fully Threaded Rust and Corrosion Resistant Flat Head Machine Screws Are Designed To Sit Flush Once Installed Standards: ANSI B18.6.3 Please View Matching Nuts & Washers Below.