Eaton ATR, 3/8X120 SS4 All Threaded Rod - 730 lb
Part Number: ATR, 3/8X120 SS4
Quick Summary
ATR, 3/8X120 SS4 is Eaton B-Line all-threaded rod for suspending electrical and mechanical systems. Installers often face inconsistent thread lengths and limited hanger options, leading to rework and schedule delays. Certifications: Not Applicable for this item; for SIL, CE, or IP-rated installations, verify the exact variant in Eaton catalogs. The steel rod measures 120 in length with a 0.375 in diameter and a 16 in thread length, rated for up to 730 lb. Using this standardized component improves compatibility with SC3228 hanger rod stiffeners and aligns with B-Line system best practices, reducing sourcing complexity and inventory risk. This translates to faster project turnover and improved field reliability.
Product Information
Extended Description
ATR, 3/8X120 SS4 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 SS4
UPC
781011878757
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
B-Line Series Strut Systems Catalog
B-Line Series Strut Systems Catalog
B-Line Series Strut Systems Catalog
Eaton Specification Sheet - ATR, 3/8X120 SS4
Feature: 120 inch all-threaded length. Business Impact: Enables long-span suspensions with a single run, eliminating field splices, reducing assembly steps, and improving alignment consistency across multiple supports. This translates to faster installations, fewer call-backs, and less chance of misalignment in critical runs. Application: Ideal for electrical rooms, data centers, manufacturing floors, and other facilities where ceiling-mounted equipment requires uninterrupted, clean suspension assemblies. Feature: 0.375 inch diameter steel rod. Business Impact: Delivers high-strength mounting performance with a 730 lb load capacity, supporting enclosures, fixtures, and heavy cables without sag or tilt. This reduces the need for supplementary bracing and saves material costs over the project life. Application: Perfect for luminaires, panel boards, cross-frames, and heavy-duty cable routing in dense electrical or mechanical layouts. Feature: 16 inch thread length. Business Impact: Provides reliable engagement with nuts and fittings, improving vibration resistance and serviceability while allowing easy repositioning during rack tuning. Application: Use where precise thread engagement is essential, such as adjustable mounting points on equipment racks or ceiling-mounted supports in busy plant spaces. Feature: Compatibility with SC3228 hanger rod stiffeners. Business Impact: Streamlines installation by ensuring compatible hardware interactions, reducing part diversity, and speeding up procurement. Application: Integrates with SC3228 and other B-Line components to support structured cabling trays, electrical supports, and equipment mounting in standardised setups. Feature: Access to Eaton catalogs and specifications. Business Impact: Improves design accuracy and reduces rework by aligning field installs with the latest product literature and recommended practices. Application: Use the Eaton Strut Systems catalogs and datasheets to verify part numbers, thread lengths, and fit with channel nuts, U-bolts, and other hardware in the B-Line system.
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FAQs
Yes, the ATR 3/8X120 SS4 is designed to work within Eaton's B-Line system and is compatible with SC3228 hanger rod stiffeners when used with suitable nuts and fittings. The all-threaded design simplifies alignment across long spans, reducing the need for adapters. Ensure SC3228 is installed per Eaton guidelines and that the thread length (16 in) is respected for secure mounting.
The product uses steel and has a load capacity of 730 lb. This combination provides robust support for typical electrical and mechanical installations, with a 120 in length enabling longer spans. For higher loads or dynamic applications, consider multiple rods or alternative components within the Eaton B-Line family.
This rod is best suited for long-span suspensions in electrical rooms, data centers, manufacturing facilities, and other industrial environments where a single 120 in rod reduces splices and simplifies alignment. It pairs well with B-Line strut systems, cable trays, and equipment mounts to create clean, durable mounting solutions.
The product listing shows Certifications as Not Applicable. For projects requiring SIL, CE, or IP ratings, verify the exact variant with Eaton catalogs and the project specifications. Always consult the latest Eaton datasheet to confirm regulatory compliance for your installation and jurisdiction.
Using a single, long 120 in rod reduces part variety and field assembly steps, speeding up installations and lowering labor time. Compatibility with SC3228 and other B-Line accessories simplifies procurement and maintenance, which can translate to lower inventory carrying costs and faster project turnover in facilities planning and upgrades.