5/16″-18 X 6″ Machine Screws Round Head Slotted Drive Steel Zinc Plated (300/Pkg.) Seasonal Sale
Original price was: $254.68.$106.97Current price is: $106.97.
Engineered for durable, reliable fastening in metal-to-metal assemblies, our Machine Screws Slotted Round Zinc Plated 5/16-18 x 6 are the ideal choice for professional trades and DIY projects alike. The slotted round head provides a classic drive for precise seating, while the zinc plating offers corrosion resistance in everyday environments.
Key specifications
Type: Machine Screws
Head: Slotted Round
Thread: 5/16-18 UNC
Length: 6 inches
Material: Carbon Steel
Finish: Zinc Plated
Drive Type: Slotted
These screws are designed for standard, coarse-thread applications that require a secure hold in tapped holes or pre-threaded inserts. The zinc coating provides a protective layer against rust, making them suitable for indoor and semi-exposed environments. Perfect for machinery, electrical enclosures, cabinetry, and general fastening tasks where a strong, reliable screw is needed.
Applications
Machinery assembly
Electrical enclosures
Metal furniture and cabinetry
Automotive and general hardware projects
Any tapping hole requiring 5/16-18 UNC threads





