S-98957A118 1/4"-28 x 1.5 ft. ASTM A193 Threaded Rods

Threaded Rods

1391FA00434 Threaded Rods
1391FA00434 Threaded Rods

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

Part No.
Part No. 1391FA00434
Equivalent to mcmaster :
98957A118

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 1.5 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 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
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Key Features & Benefits at a Glance

  • Exceptional tensile strength of 125,000 PSI for reliable performance in demanding mechanical and structural applications.
  • Superior durability and resistance to wear thanks to ASTM Grade B7 steel construction and Rockwell C35 hardness.
  • Precise and secure fastening ensured by the Class 2A thread fit and fine UNF thread spacing, reducing the risk of loosening.
  • Full threading along the 1.5 ft length provides maximum flexibility for adjustable connections and ease of installation.
  • Right-hand thread direction offers standard, intuitive assembly compatible with common industrial components.
  • Compliance with rigorous industry standards including ASTM A193, ensuring material quality and performance reliability.
  • Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements.

Professional Applications & Engineering Value

This 1/4"-28 UNF threaded rod is engineered from ASTM Grade B7 steel to address critical needs in high-stress environments, such as pressure vessel systems, construction frameworks, and heavy machinery. The fully threaded design with fine thread spacing allows for precise tension adjustment and uniform load distribution, minimizing stress concentrations that can lead to failure. Its high tensile strength and Rockwell C35 hardness provide excellent resistance to elongation and deformation under load, making it ideal for industrial applications requiring long-term reliability. The right-hand thread and Class 2A thread fit ensure compatibility with standard nuts and fittings, streamlining assembly in fast-paced engineering projects while reducing maintenance downtime.

Specification Summary & Compliance

This threaded rod features a 1/4"-28 UNF thread size with Class 2A thread fit for precise dimensional accuracy per UNF standards. It is manufactured from ASTM Grade B7 steel in compliance with ASTM A193 specifications, ensuring consistent material properties and performance. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting environmentally safe and regulated industrial use.

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