Arlington Industries 1-1/4" Pl...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$50.58
$6.48

Arlington Industries 1-1/4" Plated Steel Conduit Lock Nuts for Rigid IMC Fittings

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Model: 404
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$50.58
$6.48
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Arlington Industries 1-1/4" Plated Steel Conduit Lock Nuts for Rigid IMC Fittings

Professional-Grade Securing Solution for Heavy-Duty Conduit Systems

The Arlington Industries 1-1/4" Plated Steel Conduit Lock Nuts are innovative fastening components designed to solve secure conduit attachment challenges in demanding electrical installations. These plated steel lock nuts feature precision threading and corrosion-resistant plating for rigid and IMC conduit applications, delivering the reliability and durability that electrical professionals demand.

Innovative Features & Benefits

Superior Construction Design

  • Plated Steel Construction - Provides exceptional strength and corrosion resistance for long-lasting performance
  • Precision Threading - Ensures smooth installation and secure connection every time
  • 1-1/4" Trade Size - Perfect fit for standard rigid and IMC conduit systems
  • Professional Grade Finish - Silver plating resists rust and maintains appearance in harsh environments

Installation Efficiency

  • Quick Threading Action - Reduces installation time with smooth engagement
  • Secure Locking Mechanism - Prevents loosening from vibration or thermal cycling
  • Standard Tool Compatibility - Works with conventional conduit wrenches and tools

Technical Specifications

Trade Size: 1-1/4", Material: Plated Steel with Silver Finish, Height: 2.080", Thread Type: Standard conduit threading, Compatible with Rigid and IMC conduit fittings, Standard Packaging: 250 pieces per package, meets electrical industry standards for conduit fastening applications.

Quick Installation Process

  1. Position conduit fitting through electrical box or panel knockout
  2. Thread lock nut onto conduit fitting from inside of enclosure
  3. Hand-tighten until snug against enclosure wall
  4. Use appropriate wrench to achieve final tightening torque
  5. Verify secure connection and proper grounding continuity
  6. Complete installation with confidence in long-term reliability

Perfect Applications

Ideal for:

  • Industrial Facilities - Manufacturing plants, processing facilities, and heavy machinery installations
  • Commercial Buildings - Office complexes, retail centers, and institutional facilities
  • Electrical Panels - Main service panels, sub-panels, and distribution equipment
  • Motor Control Centers - Industrial control panels and motor starter enclosures
  • Outdoor Installations - Weather-resistant applications requiring corrosion protection
  • Rigid Conduit Systems - Heavy-duty conduit runs in demanding environments
  • IMC Applications - Intermediate metallic conduit installations
  • Code Compliance Projects - Installations requiring NEC-compliant fastening methods

Plated Steel Advantage

Arlington's plated steel construction offers superior corrosion resistance compared to standard steel lock nuts, while providing the strength needed for heavy-duty applications. The precision manufacturing ensures consistent threading and reliable performance in critical electrical installations.

Why Choose Arlington Innovation?

Since 1949, Arlington Industries has built a reputation for solving electrical installation challenges with innovative, time-saving products. These professional-grade lock nuts represent decades of engineering expertise, delivering the quality and reliability that electrical contractors trust for their most demanding projects.

Manufacturer Resources

Product Specs

Material S :
Plated Steel
Standard Packaging:
250pcs
Trade Size:
1-1/4"
Product Type:
Rigid IMC Steel Locknuts
Product Group:
Conduit and Cable Fittings
Department:
Electrical
Product Subgroup:
Locknuts and Washers
Product Color:
Silver
Product Height:
2.080"
Product Weight:
0.032 lbs/each
Product Width:
2.080"

Arlington Industries 404 – Frequently Asked Questions

How fast can I get the Arlington Industries 404 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 Arlington Industries 404 come with a warranty?
Absolutely. The Arlington Industries 404 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 Arlington Industries 404?
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 Arlington Industries 404 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.