Eaton ATR, 3/8X120 ZN All Threaded Rod - 120 in Length
Part Number: ATR, 3/8X120 ZN
Quick Summary
Eaton B-Line all threaded rod provides robust suspension for electrical installations, supporting ceilings, ducts, and fixtures. Engineers often face misalignment and corrosion risks when fasteners don’t match system requirements. Certifications: Not Applicable per this spec; in practice, Eaton B-Line components are aligned with CE marking and ISO-quality practices when integrated with approved hardware. Using the zinc-plated steel rod with a 16-inch thread length delivers predictable installation times and cost savings for mid-size commercial and industrial projects. The 120-inch length offers flexibility across varying ceiling heights, while compatible accessories simplify onsite assembly and reduce total labor costs.
Product Information
Extended Description
ATR, 3/8X120 ZN Eaton: Eaton B-Line series all threaded rod, 120" H x 0.375" D, Steel, 730 Lbs load cap,16" thread length
Product Name
Eaton B-Line series all threaded rod
Catalog Number
ATR, 3/8X120 ZN
UPC
781011690359
Product Height
120 in
Product Diameter
0.375 in
Product Weight
0.29 lb
Certifications
Not Applicable
Special features
Used with (SC3228) hanger rod stiffener
Thread length
16 in
Type
All threaded rod - 120" (3.05m) lengths
Load capacity
730 lb
Material
Steel
Channel Nuts and Hardware Catalog Section
Channel Nuts and Hardware Catalog Section
Channel Nuts and Hardware Catalog Section
Eaton Specification Sheet - ATR, 3/8X120 ZN
Feature: 120 inch overall length and 0.375 inch diameter steel threaded rod; Business Impact: Provides long-span suspension with consistent engagement, reducing joints and misalignment; Application: Ideal for ceiling-mounted channel systems and conduit runs in commercial facilities. Feature: 730 lb load capacity; Business Impact: Supports mid-range equipment and fixtures with a strong safety margin, lowering failure risk and maintenance costs; Application: Data centers, mechanical rooms, and industrial plants. Feature: 16 inch thread length; Business Impact: Offers ample adjustment for precise level alignment and easier installation with standard strut hardware; Application: Adjustable mounting in varied ceiling builds. Feature: Zinc-plated finish (ZN) on steel; Business Impact: Enhances corrosion resistance in damp environments, extending service life; Application: Warehouses and maintenance shops using B-Line components. Feature: Compatibility with SC3228 hanger rod stiffener; Business Impact: Improves stability and reduces wobble in open installations, saving labour during setup; Application: Open-ceiling or retrofit projects. Feature: Documented through Eaton catalogs and spec sheets; Business Impact: Streamlines procurement and ensures consistent sourcing across projects; Application: Spec-driven installations for modular support systems.
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FAQs
For reliable installation, use standard hand tools compatible with 3/8 inch thread fasteners, ensure clean threads, and align with Eaton Channel Nuts and hardware. The 16 inch thread length provides ample engagement with strut systems, while the 120 inch overall length minimizes the need for intermediate joints. Always verify duct and conduit clearance prior to securing the rod to the structure, and check load calculations against the 730 lb rating to prevent overloading.
The ATR 3/8X120 ZN threaded rod has a load capacity of 730 lb. In practice, this supports most medium-duty suspensions such as lighting fixtures, small equipment, and ductwork in commercial spaces. For higher loads, distribute weight across multiple rods or combine with appropriate channel nuts and hanger hardware to maintain safe working loads and reduce deflection, ensuring compliance with installation guidelines.
Yes, the zinc-plated variant (ZN) offers enhanced corrosion resistance, making it suitable for damp environments typical of warehouses and maintenance areas. It is designed for use with Eaton B-Line channel systems and compatible accessories like SC3228 hanger stiffeners, which improve stability in open-ceiling installations and retrofit projects.
This product lists certifications as Not Applicable in its spec. In practice, use within approved Eaton B-Line assemblies adheres to standard industry practices and regulatory guidelines for electrical support systems. Always consult the accompanying Eaton catalogs and spec sheets for installation standards and compatibility matrices with other rated components.
Using a single, long 120 inch threaded rod with 16 inch thread engagement simplifies planning and reduces on-site splices, cutting installation time. The zinc finish extends service life, decreasing corrosion-related maintenance. Its compatibility with SC3228 and standard Eaton hardware further reduces procurement complexity and stock variety, delivering predictable maintenance cycles and lower lifecycle costs.