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Fast Shipping 5/16"-18 X 3-1/2" Machine Screws Round Head Slotted Drive Steel Zinc Plated (300/Pkg.)
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Fast Shipping 5/16″-18 X 3-1/2″ Machine Screws Round Head Slotted Drive Steel Zinc Plated (300/Pkg.)

Original price was: $133.42.Current price is: $56.04.

For orders under $150.00, a shipping fee of $12.99 applies.

SKU: SKHWTA00DSL Category: Tag:
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Engineered for durable, reliable fastening, these Machine Screws Slotted Round Zinc Plated 5/16-18 x 3-1/2 in are a versatile choice for panel, machinery, and furniture projects. Featuring a slotted round head and zinc plating, they combine classic drive aesthetics with corrosion resistance for long-lasting performance.

    Size: 5/16-18 UNC

    Length: 3-1/2 inches

    Thread: 18 threads per inch (UNC)

    Head type: Slotted Round

    Drive: Slotted

    Material: Steel

    Finish: Zinc Plated

    Applications: General purpose fastening, electronics enclosures, machinery panels, furniture assembly

Why choose zinc-plated machine screws? The zinc coating delivers corrosion resistance in interior environments, helping maintain strength and appearance over time. The classic slotted drive is compatible with flat-blade screwdrivers for easy installation and removal, even in tight spaces.

Perfect for builders, technicians, and DIY enthusiasts who need a reliable, standardized fastener in a common size. Add these 5/16-18 x 3-1/2 in slotted round machine screws to your hardware collection and keep projects moving smoothly.

Add to cart today to secure dependable fastening for your next project.

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