5/16"-18 X 2" Machine Screws | Flat Head | Phillips Drive | 316 Stainless Steel (100/Pkg.)

Introducing our 316 Stainless Steel Flat-Head Phillips Machine Screws—size 5/16-18 x 2 in. These high-strength fasteners combine marine-grade corrosion resistance with a flush, countersunk drive for a clean, professional finish in a wide range of assemblies.

Product Highlights

• Material: 316 stainless steel for excellent corrosion resistance and durability in damp, salty, or outdoor environments.
• Head type: Flat-head (countersunk) designed to sit flush with the workpiece for a smooth surface.
• Drive type: Phillips drive (PH) for reliable engagement across tools and applications.
• Thread spec: 5/16-18 UNC for standard cabinet and machinery applications.
• Length: 2 inches overall length to suit a variety of material thicknesses.
• Finish: Passivated for enhanced corrosion resistance and clean appearance.
• Recommended uses: Outdoor equipment, marine installations, architectural hardware, machinery assemblies, and other demanding environments.

Why Choose 316 Stainless Steel Screws?

316 stainless steel stands up to moisture, salt spray, and humidity far better than common stainless grades. These Flat-Head Phillips Machine Screws ensure long-lasting performance, reduced maintenance, and a professional finished look in any project exposed to the elements.

Specifications at a Glance

Size: 5/16-18 UNC | Length: 2 in | Head: Flat-head | Drive: Phillips | Material: 316 stainless steel

Tip: When driving these screws, use the correct PH screwdriver bit and avoid over-tightening to prevent stripping the screw head or damaging the workpiece.