Seachoice RP-SC0789 Phillips Flat Head Machine Screw 5/16"-18 x 3" Stainless Steel

The Seachoice RP-SC0789 is a marine-grade stainless steel machine screw designed for reliable fastening in demanding environments. This flat head Phillips drive screw features 5/16"-18 threading and measures 3 inches in length, making it ideal for applications requiring a flush, countersunk finish.

Key Features:

• Stainless steel construction provides excellent corrosion resistance for marine and outdoor applications
• Flat head design sits flush when properly countersunk for a clean, finished appearance
• Phillips drive for easy installation with standard screwdrivers or power tools
• 5/16"-18 thread size offers strong holding power for structural applications
• 3-inch length suitable for thick materials and through-bolting applications
• Sold in convenient 10-piece bags for project planning and inventory management

Perfect for boat hardware installation, dock construction, marine equipment mounting, and general-purpose fastening where corrosion resistance is essential. The machine screw design requires a pre-tapped hole or matching nut for proper installation.