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Home / Fasteners & Hardware / Screws / 5/16″-18 X 3″ Machine Screws Indented Hex Head Slotted Drive Steel Zinc Plated (500/Pkg.) Final Sale

5/16″-18 X 3″ Machine Screws Indented Hex Head Slotted Drive Steel Zinc Plated (500/Pkg.) Final Sale

Original price was: $287.14.Current price is: $120.60.

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SKU: SKHWTA00CYO Category: Tag:
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Engineered for durable metal-to-metal fastening, our Machine Screws Slotted Indented Hex Washer Zinc Plated 5/16-18 x 3 are designed to deliver a secure, corrosion-resistant hold in enclosures, machinery, and equipment. With a slotted drive, indented hex washer head, and zinc plating, these screws offer dependable performance in demanding environments.

Key Features

    Size / Thread: 5/16-18 UNC

    Length: 3 inches

    Drive Type: Slotted

    Head Style: Indented Hex Washer

    Material & Finish: Zinc-plated steel

    Standard: Unified National Coarse (UNC)

These machine screws are ideal for fastening metal parts where a broad load-distributing head is important. The hex washer head helps prevent pull-through and provides a larger bearing surface, while the zinc plating provides corrosion resistance in mildly corrosive environments or exposed applications. The slotted drive is compatible with standard flat-blade drivers for easy installation and removal, making them a versatile choice for electrical panels, control boxes, machinery housings, and equipment assemblies.