GOOD TOOLS FOR GOOD WORKS, IMSCREWS FIX YOUR HOME. IMSCREWS 410 STAINLESS STEEL FLAT HEAD PHILLIPS SELF-DRILLING SCREWS PACKAGE SPECIFICATIONS: ?? Diameter: #12/5.5mm ?? Length: 3/4???/19mm ?? Head Style: Flat Head ?? Drive Type: Phillips Drive ?? Point Style: Self-drilling ?? Material: Stainless Steel 410 ?? Package Quantity: 25Pcs ?? High Quality Coarse Thread Self Drilling Flat Head Phillips Screws FEATURES: ?? These screws have a sharp point to drill in wood and metal sheet and other steel material, and coarse thread design to help for excellent retention. ?? The Phillips drive has an x-shaped slot that accepts the Phillips driver and is designed to allow the driver to slip out of the head to help prevent over-tightening and damage to the thread or fastener. ?? This screws is organized by Size / Type in a Transparent Storage bag for Quick Access and Protection in an IMSCREWS plastic bag. ???WARNING: All screws products are special sharp with screw point, please keep away from kids.