Metallics Knock-out Seal 1" 3-...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$52.19
$3.24

Metallics Knock-out Seal 1" 3-Piece Steel Zinc Quick-Seal

(No reviews yet) Write a Review

Model: 100KOS
Selected Model is

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

$52.19
$3.24
Adding to cart… The item has been added
Free Shipping on orders over $99
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

Metallics Industries Knock-out Seal 1" 3-Piece Steel Zinc Quick-Seal

Professional Electrical Panel Box Sealing Solution

The Metallics Industries Knock-out Seal 1" 3-Piece Steel Zinc Quick-Seal delivers exceptional performance and reliability for electrical panel box installations and conduit system sealing. This steel knock-out seal with zinc finish provides dependable electrical sealing solutions designed for professional electricians, contractors, and industrial technicians, offering the proven quality and precision engineering that professionals trust from a leading manufacturer of electrical hardware and industrial fasteners.

Professional Features & Benefits

Quick-Seal Performance

  • 3-Piece Quick-Seal Design - Provides fast and secure sealing of unused knock-out holes in electrical panel boxes with professional-grade construction
  • Steel Construction with Zinc Finish - Delivers superior corrosion resistance and long-lasting durability for electrical installations in various environments
  • Size Stamped on Seal - Ensures easy identification and proper sizing for accurate installation and inventory management
  • 1" Dimensional Specifications - Precisely engineered with 4" length, 4" width, and 1.5" height for reliable fit and professional sealing performance

Professional Installation

  • Ultimate High Quality Safety - Meets professional electrical safety standards for panel box sealing and electrical code compliance
  • Convenient Bag Packaging - Supplied in professional 3-piece configuration for efficient installation and reduced waste
  • Precision Manufacturing - Metallics Industries quality control ensures consistent dimensions and reliable sealing performance

Technical Specifications

Material: Steel | Finish: Zinc | Type: 3-Piece Knock-Out Seal | Dimensions: 4" Length x 4" Width x 1.5" Height | Product Weight: 0.47 lbs (213g) | Pack Type: Bag | Number of Pieces: 3 | Field Application: Electrical, Plumbing, Heating and Air Conditioning Industries

Installation & Usage

  1. Verify knock-out hole size matches 1" seal specifications and ensure clean hole edges
  2. Position the 3-piece quick-seal assembly over the unused knock-out hole in the panel box
  3. Insert seal components following proper sequence for secure engagement
  4. Apply appropriate pressure to ensure complete sealing and proper fit
  5. Verify seal is flush and secure with no gaps or loose components
  6. Inspect installation for compliance with electrical safety standards and code requirements

Professional Applications

Ideal for:

  • Electrical Panel Box Sealing - Professional sealing of unused knock-out holes in electrical panels and distribution boxes
  • Conduit System Installation - Sealing unused openings in conduit accessories and electrical enclosures
  • HVAC System Integration - Sealing electrical connections and unused openings in heating and air conditioning installations
  • Plumbing Electrical Connections - Professional sealing for electrical components in plumbing system installations
  • Industrial Electrical Maintenance - Sealing unused knock-outs during electrical system upgrades and maintenance
  • Commercial Building Electrical - Professional panel box sealing for commercial and industrial electrical installations
  • Electrical Code Compliance - Meeting electrical safety requirements for proper panel box sealing and protection
  • Construction Electrical Work - Reliable sealing solutions for new construction and renovation electrical projects

Steel Zinc Construction Advantage

The steel construction with zinc finish provides exceptional corrosion resistance and durability for electrical applications. This material combination ensures long-lasting performance in various environmental conditions while maintaining electrical safety standards. The zinc coating offers superior protection against moisture and corrosion, making these seals ideal for both indoor and outdoor electrical installations where reliability and safety are paramount.

Why Choose Metallics Industries Quality?

Metallics Industries demonstrates unwavering commitment to precision manufacturing and quality control excellence for electrical hardware solutions. Our 3-piece knock-out seals feature superior steel construction with professional-grade zinc finish, ensuring reliable performance for contractors, electricians, and industrial professionals. Through comprehensive product testing and engineering excellence, Metallics Industries delivers trusted electrical sealing solutions for demanding commercial, industrial, and construction applications, backed by our reputation for quality materials, precision manufacturing, and dependable performance standards.

Manufacturer Resources

Product Specs

Arra Compliant:
C
Buy American Compliant:
C
Country Of Origin:
MUL
Division:
Electrical H1
Field Application:
Electrical, Plumbing, Heating and Air Conditioning Industries
Height:
1.5 in
Language Code:
EN
Material:
Steel
Number Of Pieces:
3
Order Minimum Imperial:
10
Order Minimum Uom Imperial:
EA
Pack Type:
Bag
Product Family:
Electrical Supplies
Product Height:
38.1 MM
Product Length:
4 in
Product Weight:
213 g
Product Width:
101.6 MM
Sub Division:
Electrical-E H2
Weight:
0.47 lbs
Width:
4 in
Product Type:
Knock-out seals
Product Group:
Conduit Accessories
Department:
Electrical
Product Subgroup:
Plugs and Seals
Type2:
3 Pieces Knock-Out Seal
Product Finish:
Zinc
Product Details:
3 Pieces Knock-Out Seal

Metallics 100KOS – Frequently Asked Questions

How fast can I get the Metallics 100KOS 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 Metallics 100KOS come with a warranty?
Absolutely. The Metallics 100KOS 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 Metallics 100KOS?
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 Metallics 100KOS 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.