5/16"-18 X 3-1/2" Machine Screws | Flat Head | Slotted Drive | Steel Zinc Plated (300/Pkg.) Cone Point Hobbyist and professional hardware projects

Hobbyist and professional hardware projects

Black oxide finish minimizes glare and blends with dark components

Whether you're building or repairing control panels

8 Grade Steel

or rails in construction

5/16"-18 X 3-1/2" Machine Screws | Flat Head | Slotted Drive | Steel Zinc Plated (300/Pkg.) Cone Point Hobbyist and professional hardware projectsEngineered for dependable fastening, these machine screws are slotted and flat headed, crafted from steel and zinc plated for corrosion resistance. Sized at 5 16 18 x 3 1 2 in, they deliver reliable performance in enclosures, cabinetry, machinery, and a wide range of assemblies. Drive type: Slotted Head style: Flat head Material: Steel Finish: Zinc plating for enhanced corrosion resistance Size: 5 16 in diameter, 18 threads per inch (5 16 18), length