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Eaton B-Line Zinc-Plated Steel All-Threaded Rod, ASTM A307
The Eaton B-Line all-threaded rod is a zinc-plated rolled steel rod manufactured to ASTM A307 specifications, engineered for reliable support, hanging, and anchoring applications across electrical, mechanical, and structural installations. Threaded continuously along its full length, this rod mates with hanger rings, beam clamps, channel fittings, and other B-Line support hardware for fast, adjustable installation. The zinc-plated finish provides corrosion resistance for dependable long-term performance in commercial and industrial environments, and the rod is available in multiple trade sizes and lengths — including a 1/2-Inch x 10-ft configuration — to match a wide range of job requirements.
Key Features
- Durable Construction: Rolled steel construction with a zinc-plated finish delivers corrosion resistance and long service life in demanding installation environments.
- Industry Standard: Manufactured to ASTM A307 specifications for consistent mechanical properties and dependable strength.
- Fully Threaded Design: Continuous threading along the entire rod length allows hardware to be positioned anywhere for maximum installation flexibility.
- Trade Sizes & Lengths: Available in a range of diameters and lengths, including a 1/2-Inch x 10-ft rod, to suit varied support and hanging applications.
- Versatile Compatibility: Pairs with B-Line hanger rings, beam clamps, channel fittings, and other threaded-rod hardware for complete support assemblies.
- Finish: Zinc-plated surface treatment resists rust and corrosion in indoor commercial and industrial settings.
Technical Specifications
- Product Type: Threaded Rod
- Department: Electrical
- Material: Zinc Plated Rolled Steel
- Standard: ASTM A307
- Example Size: 1/2-Inch x 10-ft
Typical Applications
- Electrical Conduit and Cable Tray Support
- HVAC Duct and Piping Hangers
- Structural Bracing and Anchoring
- Commercial and Industrial Electrical Installations
- Renovation and New Construction Projects
Why Eaton?
Eaton's B-Line series is built for the demands of professional electrical and mechanical support work, combining rolled steel construction, a zinc-plated finish, and ASTM A307-grade material properties in every threaded rod. Contractors and facility teams rely on B-Line all-threaded rod for consistent fit, strength, and corrosion resistance across support and hanging applications. Choose Eaton B-Line for code-compliant, dependable performance backed by a trusted name in electrical support systems.
Manufacturer Resources
Product Specs
- Product Type:
- Threaded Rod
- Department:
- Electrical
- Product Material:
- Zinc-Plated Steel
- Standards:
- ASTM A307
- Product Finish:
- Zinc-Plated
- Product Group:
- Hangers, Supports & Fasteners
- Product Subgroup:
- Electrical Fasteners
Eaton ATR-1/4X72-ZN – Frequently Asked Questions
1) What diameters and lengths does the Eaton B-Line all-threaded rod come in?
The Eaton B-Line all-thread comes in three diameters across five size combinations: 1/4 inch x 72 inches, 3/8 inch x 72 inches, 3/8 inch x 120 inches, 1/2 inch x 72 inches, and 1/2 inch x 120 inches. The 120 inch rods are the 10-foot sticks most contractors buy for trapeze and hanger runs; the 72 inch rods are 6-foot. Note that 1/4 inch is only offered in the 72 inch length.
2) Will this threaded rod work with my existing strut channel fittings and beam clamps?
Yes, provided the hardware matches the rod diameter. The B-Line all-thread is threaded continuously along its whole length and mates with hanger rings, beam clamps, and channel fittings, so nuts and fittings can be positioned anywhere on the rod. Match the fitting's tapped size to the rod you order: 1/4, 3/8, or 1/2 inch.
3) Can zinc-plated threaded rod be used outdoors or in a wet area?
The zinc plating on this rolled steel rod is a corrosion-resistant finish intended for indoor commercial and industrial settings. For sustained exposure to weather, washdown, or a corrosive process environment, specify a hot-dip galvanized or stainless rod instead; electroplated zinc will eventually rust in those conditions.
4) How do I order the right Eaton B-Line rod for a 10-foot drop?
Order by diameter and length in the part number. The 10-foot (120 inch) rods are ATR-3/8X120-ZN and ATR-1/2X120-ZN. If you need shorter drops, the 6-foot rods are ATR-1/4X72-ZN, ATR-3/8X72-ZN, and ATR-1/2X72-ZN. Because the rod is fully threaded end to end, you can cut a long stick down to several drops and still thread nuts anywhere on the cut pieces.
5) Do nuts and washers come with the Eaton B-Line threaded rod?
No. What ships is the rod itself, zinc-plated rolled steel, threaded full length. Hex nuts, washers, hanger rings, beam clamps, and channel fittings are separate items and need to be ordered to match the rod diameter you choose.
6) Is this the same as all-thread rod, and does it differ from a threaded stud or hanger bolt?
All-threaded rod and all-thread are the same thing: a straight steel rod with continuous threads from end to end, which is what this Eaton B-Line product is. That is different from a hanger bolt, which has wood screw threads on one end, and from a short threaded stud. Choose all-thread when you need to cut to length on site and thread hardware at any point along the rod.
How fast can I get the Eaton ATR-1/4X72-ZN delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
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Can I return it if it doesn’t work for me?
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Does the Eaton ATR-1/4X72-ZN come with a warranty?
Absolutely. The Eaton ATR-1/4X72-ZN is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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