Gardner Bender 3/8" Thread Met...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$64.71
$15.63
Image coming soon

Gardner Bender 3/8" Thread Metal Knockout Seal with Self-Centering Design

(No reviews yet) Write a Review

Model: KO709

In Stock (leaves warehouse same day if ordered before 3pm ET)

$64.71
$15.63
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Gardner Bender 3/8" Thread Metal Knockout Seal with Self-Centering Design

Professional knockout sealing solution for electrical enclosures

The Gardner Bender 3/8" Thread Metal Knockout Seal delivers reliable sealing performance for unused knockouts in electrical boxes and enclosures. Constructed from 16-gauge rust-proofed, cold-rolled galvanized steel with zinc-plated hardware, this professional-grade seal installs quickly from inside or outside of the box with embossed self-centering design for precise positioning.

Professional Features & Benefits

  • 16-Gauge Galvanized Steel Construction: Provides durable, corrosion-resistant sealing that maintains integrity in demanding electrical environments.
  • 3/8" Thread Specification: Ensures proper fit and secure installation in standard knockout openings for reliable long-term performance.
  • Self-Centering Embossed Design: Eliminates guesswork during installation with quick, accurate positioning in unused knockouts.
  • Single Screw Installation: Streamlines the sealing process with simple, secure mounting that holds the seal firmly in place.
  • Zinc-Plated Hardware: Screw and bar components resist corrosion and provide lasting durability in various environmental conditions.
  • Inside/Outside Installation Capability: Offers installation flexibility to accommodate different box configurations and access requirements.
  • Size and Catalog Marking: Clearly marked identification ensures proper selection and simplifies inventory management.

Technical Specifications

  • Each In Package Height In: 5.25
  • Each In Package Length Depth In: 1.25
  • Each In Package Weight Oz: 64.3
  • Each In Package Width In: 5.13

Professional Applications

  • Electrical Panel Sealing
  • Junction Box Maintenance
  • Commercial Electrical Installations
  • Industrial Enclosure Sealing
  • Residential Electrical Upgrades
  • Maintenance and Retrofit Projects
  • Code Compliance Applications

Why Choose Gardner Bender Quality?

Gardner Bender knockout seals combine professional-grade materials with practical design features for reliable electrical enclosure sealing. The rust-proofed galvanized steel construction and zinc-plated hardware ensure long-lasting performance, while the embossed self-centering design and clear marking system support efficient installation and maintenance practices.

Manufacturer Resources

Product Specs

Each In Package Height In :
5.25
Each In Package Length Depth In :
1.25
Each In Package Weight Oz :
64.3
Each In Package Width In :
5.13

Gardner Bender KO709 – Frequently Asked Questions

How fast can I get the Gardner Bender KO709 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Gardner Bender KO709 come with a warranty?
Absolutely. The Gardner Bender KO709 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Gardner Bender KO709?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Gardner Bender KO709 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!