Tufnut 5/16-18
Tufnut 5/16-18

Tufnut 5/16-18

Item #: VCN225-5

Made in the U.S.A.

Description: 5/16-18 Tufnut VCN225-5 A uniquely shaped, tamper resistant, case hardened steel nut. Installed and removed with an open end or crescent wrench by a simple p...… Learn More

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Tufnut 5/16-18

5/16-18 Tufnut VCN225-5

A uniquely shaped, tamper resistant, case hardened steel nut. Installed and removed with an open end or crescent wrench by a simple procedure by authorized persons possessing a second identical nut. Available in #10 through 1/2" diameters in UNC and Metric thread sizes. Appropriate for GR2 or GR5 bolts.

Sold by Package - 100/Package


  • Truncated Pyramid Shape: Can't be removed with normal hand tools.
  • Case Hardened Steel: High strength threads. Resists mutilation.
  • Zinc Yellow Chromate Plating: Excellent corrosion resistance.
  • Installed And Removed With Same Simple Method: Infinitely Reusable.

    Tech Specs

    • Material: Medium carbon steel, case hardened
      Finish: Zinc yellow chromate
      Diameter: 5/16"

    Tufnut Installation Diagram

    Product Specs

    More information about Tufnut 5/16-18. This Posts Brackets Hardware order item number is VCN225-5

    Posts, Brackets & Hardware:

    Shop all Posts Brackets Hardware

    Shipping & Freight

    Shipping Options

    Ground Shipping Only on non-freight items.
    Freight Shipping Freight Items include all Commercial Christmas Decorations, Oversized items such as signs over 36", sign posts, and traffic control devices such as speed bumps and cones.

    Ground Shipping

    Most orders will ship UPS Ground or FedEx Ground. Expedited shipping is not available. Shipping cost will be added to all orders unless prior quotes have been provided.

    Freight Shipping

    Many of our items are required to ship freight. Items that ship by freight truck cannot be sent to a residential address.

    Additional shipping cost may be added for extra services such as:

    • Call before delivery
    • Lift gate, inside delivery
    • Lengths over 8’

    If these services are requested by the customer at the time of delivery then these added cost will be invoiced.

    Local Pickup

    Our website does not have local pickup option at checkout. Please call us for local pickup orders. Pickup at our Lafayette Louisiana sales office is only available for a limited number of items. Non-stock items may incur a shipping cost. Please contact us for more info.

    Lead Times & Production Time

    Evangeline Specialties cannot guarantee the production time or ship date of most orders. Most orders ship directly from the products manufacturer. Production times vary for all of our product types. Please call for availability or if a use date is required.

    Standard Production Times

    Traffic Signage

    • 1 to 3 days on most signs
    • Custom or non-standard signs 3-14 days
    • Barricades 5 days
    • Flashing Blinker Signs & Radar Signs 4 weeks

    Christmas Decorations

    • Lamps and cords 2-4 days
    • Pole Mounted & Ground Mounted Decorations 1-3 weeks

    Flags & Banners

    • Flags 1 to 3 days
    • Custom Flags 2 weeks
    • Custom printed Banners 1-2 weeks
    • Flag Poles 2 weeks

    Custom Imprinted Promotional Items:

    • 2 weeks 

    Have Shipping questions?

    Please contact us with any shipping questions you may have.

    Contact Us

    Get Help

    We love hearing from our customers.  Contact our customer service department and we will help answer any of your questions regarding orders, freight quotes, bulk discounts and more.  If you are looking for reference info and answers to some frequently asked questions, please visit our customer help desk

    Visit Help Desk

    Email Us

    Email us directly at sales@evangelinespecialties.com or use the contact form on this page.

    Email Us

    Call Us

    Phone: 800-451-0364  or 337-232-3898

    Fax: (337) 233-1768

    Hours: Mon.-Thurs. 8-5  Fri. 8-4  (CST)

    Our Location

    1825 Bertrand Dr. Lafayette, LA 70506 (map & directions

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