Key benefits Durable corrosion resistance: Made from 100% 188 (304) stainless steel for good resistance to rust and chemical exposure, so the screws last longer than common steel fasteners. Clean, lowprofile appearance: Button head provides a neat finished look while giving a larger bearing surface than many other head styles. Easy to install: Standard 3/16' (0.187') Allen hex drive accepts common hex keys and drivers for secure tightening. Features and performance Material: 188 (304) stainless steel — corrosion and chemicalresistant. Head type: Button head socket cap screw — low profile with a broad contact area. Drive: Allen hex drive, 0.187' (3/16'). Thread size: 5/1618 (thread diameter 0.3125'). Dimensions: Head diameter 0.547', head height 0.166', screw length 1.25'. Compatibility and use Fits standard 5/1618 tapped holes and 5/1618 nuts. Use a 3/16' Allen key or hex socket for installation. Suitable where a finished appearance and larger bearing surface are required. Package contents 12 pieces: Button head socket cap screws, 5/1618 x 11/4'. Practical applications (examples) Outdoor fixtures and marine hardware where stainless resistance is important. Machinery, brackets, or assemblies that need a lowprofile fastener with good load contact. Automotive or metal fabrication projects requiring standard 5/1618 hardware and an Allen drive. Notes Specifications are exact: thread diameter 0.3125', head diameter 0.547', head height 0.166', screw length 1.25', Allen drive 0.187' (3/16'), 12 screws per package.