S-99086A308 1/4"-28 x 1 ft. ASTM A193 Threaded Rods

Threaded Rods

1391FA00649 Threaded Rods
1391FA00649 Threaded Rods

Image may differ from product. See technical specification for details.

Part No.
Part No. 1391FA00649
Equivalent to mcmaster :
99086A308

Basic Information

System of Measurement Inch
Specifications Met ASTM A193
RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (06/10/2022, 224 SVHC) Compliant

Dimension Parameters

Length 1 ft.

Thread Parameters

Thread Type UNF
Thread Size 1/4"-28
Threading Fully Threaded
Thread Direction Right Hand
Thread Spacing Fine
Thread Fit (External) Class 2A

Material & Strength Parameters

Material Zinc Yellow-Chromate Plated Steel
Fastener Strength Grade/Class ASTM Grade B7
Tensile Strength 125000 psi
Hardness Rockwell C35
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Exceptional load-bearing capacity with 125,000 psi tensile strength for reliable performance in high-stress applications
  • Superior corrosion resistance provided by zinc yellow-chromate plating, extending service life in demanding environments
  • Precision thread engagement with Class 2A fit and UNF fine threading ensures secure, vibration-resistant connections
  • Consistent mechanical properties with Rockwell C35 hardness for maintained performance under repeated loading
  • Industry-standard compliance with ASTM A193 and Grade B7 specifications for guaranteed quality and interchangeability
  • Environmental regulation adherence through RoHS 3 and REACH compliance for global project suitability
  • Versatile right-hand threading with full-length threads for flexible installation and adjustment capabilities

Professional Applications & Engineering Value

This 1/4"-28 UNF threaded rod delivers critical engineering solutions for industrial applications requiring high-strength fastening and corrosion protection. The ASTM Grade B7 material composition, combined with zinc yellow-chromate plated steel construction, addresses common failure points in machinery, structural supports, and pressure systems where environmental exposure and dynamic loads are concerns. The fully threaded design with fine thread spacing provides maximum grip length and adjustment precision, while the 125,000 psi tensile strength ensures structural integrity in heavy-duty applications such as industrial equipment assembly, construction frameworks, and mechanical systems requiring reliable, long-term fastening performance.

Specification Summary & Compliance

Manufactured to exacting standards with Class 2A thread fit tolerances and UNF thread type specifications. Complies with ASTM A193 manufacturing requirements for high-temperature service applications. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards. The right-hand threaded configuration with fine thread spacing ensures compatibility with standard industrial components and tools.

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