Next Day Delivery 5/16″-18 X 5-1/2″ Machine Screws Round Head Slotted Drive Steel Zinc Plated (300/Pkg.)

Engineered for reliable metal-to-metal assemblies, the Machine Screws Slotted Round Zinc Plated 5/16-18 x 5 1/2″ deliver strong performance with a corrosion-resistant finish. The slotted round head and standard 5/16-18 thread ensure ease of installation and compatibility with a wide range of project needs.

Product Details

Type: Machine screw with slotted round head

Thread size: 5/16-18 (UNC)

Length: 5-1/2 inches

Finish: Zinc plated for added corrosion resistance

Drive type: Slotted

Applications

Ideal for general machinery, equipment assemblies, cabinetry, metal enclosures, and other metal-to-metal projects where a durable, easy-to-drive screw is required. The zinc plating helps protect against moisture and industrial exposure, making these screws suitable for indoor and semi-exposed environments.

Why Choose Zinc Plated Slotted Round Screws

The zinc plating provides a durable surface that resists rust and corrosion, extending the life of fastenings in everyday use. With a classic slotted drive, these screws are compatible with common drivers and are a dependable choice for tool-free field repairs or precise workmanship in shop settings.