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5/16"-18 Hex Head Serrated Flange Nuts, 304 Stainless Steel 18-8 Hexagon Head Flange Nuts for Home Automotive DIYer, Black Oxide Finish, Hex Drive, 50 PCS - size: 5/16"-18

5/16"-18 Hex Head Serrated Flange Nuts, 304 Stainless Steel 18-8 Hexagon Head Flange Nuts for Home Automotive DIYer, Black Oxide Finish, Hex Drive, 50 PCS - size: 5/16"-18

$19.90 USD
$19.90 USD
Sale Sold out
Taxes included. Shipping calculated at checkout.

About this item

  • PRECISION SPECS: Thread Size: 5/16"-18; Thread Pitch: 18 TPI; Thread Type: Coarse Thread/ UNC Hex Drive Size: 1/2"; Package: 50 PCS
  • DUAL-LAYER RUST PROTECTION: Forged from 18-8 (304) Stainless Steel and enhanced with a black protective layer. This combination offers superior corrosion resistance, ensuring your hardware stays rust-free and maintains its deep black aesthetic in any environment
  • OFF-ROAD GEAR & DECKING: Ideal for blacked-out Jeep/Truck accessories, patio furniture, and dark-stained deck hardware. These large black serrated nuts offer a "stealth" professional finish that blends into your high-end outdoor and automotive projects
  • VIBRATION RESISTANT GRIP: The wide, serrated flange creates a steadfast "lock" into the mounting surface, resisting loosening from heavy mechanical stress or vibration. Ideal for securing hardware in environments where safety and stability are critical
  • TOUGH COATING & TOOL MATCH: Designed for use with any standard 1/2" hex wrench. The durable electrophoretic finish is built to withstand high torque from impact drivers without chipping, preserving the black finish during tough installs

Overview

  • Material: Stainless Steel
  • Fastener Type: Flange
  • Thread Size: 5/16"-18
  • Exterior Finish: Black E-coated
  • Color: Black

Low stock: 10 left

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Reviews

  • ⭐⭐⭐⭐⭐

    Michael Turner — Columbus, Ohio

    MROVanta made it easier to find several maintenance supplies in one place. The product information helped me compare the available options, and everything I ordered was useful for routine work around our facility.

  • ⭐⭐⭐⭐⭐

    Rachel Morgan — Phoenix, Arizona

    I was looking for practical supplies for our workshop and found the selection easy to browse. The categories were well organized, and I could quickly locate tools, fasteners, and other items needed for regular maintenance.

  • ⭐⭐⭐⭐⭐

    David Collins — Charlotte, North Carolina

    The products I selected were suitable for the maintenance tasks we had planned. I appreciated being able to review the specifications before ordering, especially when comparing sizes and compatibility for different applications.

  • ⭐⭐⭐⭐⭐

    Amanda Brooks — Denver, Colorado

    I ordered a mix of facility and equipment supplies for our work area. The shopping process was straightforward, and the selection covered several everyday maintenance needs without requiring visits to multiple stores.

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FAQ

How can I confirm that a product is suitable for my application?


Review the product description, dimensions, materials, ratings, connection types, and compatibility information before ordering. Industrial requirements vary, so consult the equipment manufacturer or a qualified professional if you are uncertain.

Do you provide installation or technical advice?


We can help clarify information shown on a product page, but we do not provide engineering, installation, or workplace-safety advice. Products should be selected, installed, and operated by appropriately qualified personnel where required.

Can I change or cancel my order after placing it?


Contact us as soon as possible at ruleindgalein@gmail.com. We will try to accommodate your request, but changes or cancellations cannot be guaranteed once an order has entered processing or shipment.

When will my order be shipped?


Processing and delivery estimates may vary depending on the product, destination, inventory availability, and carrier. Please review the shipping information provided at checkout and our Shipping & Delivery Policy for additional details.

How can I track my order?


When tracking becomes available, it will be sent to the email address used for your order. Tracking activity may take some time to appear after the carrier receives the shipment.

Why did my order arrive in more than one package?


Items from the same order may be fulfilled or shipped separately. As a result, packages can arrive at different times and may have separate tracking numbers. You will not be charged additional shipping solely because an order is divided into multiple shipments.

What should I do if an item arrives damaged, defective, or incorrect?


Contact us promptly at ruleindgalein@gmail.com with your order number, a description of the issue, and clear photographs of the item, packaging, shipping label, and any visible damage. Keep all packaging until we provide further instructions.

Can I return an item if it is not suitable?


Eligible items may be returned in accordance with our Return & Refund Policy. Return conditions, exclusions, time limits, and any applicable costs depend on the item and circumstances. Please contact us before sending anything back.

Do you offer bulk quantities or business purchasing?


Availability of larger quantities varies by product. Email us with the product link, desired quantity, required specifications, and delivery location, and we will let you know whether suitable options are available.

How can I contact MROVanta?


Email us at ruleindgalein@gmail.com or call +1 (936) 260-5549. Include your order number when contacting us about an existing purchase so we can assist you more efficiently.

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