S-98957A648 1 3/4"-5 x 3 ft. ASTM A193 Threaded Rods

Threaded Rods

1391FA00555 Threaded Rods
1391FA00555 Threaded Rods

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

Part No.
Part No. 1391FA00555
Equivalent to mcmaster :
98957A648

Basic Information

System of Measurement Inch
Specifications Met ASTM A193
RoHS RoHS 3 (2015/863/EU) Compliant

Dimension Parameters

Length 3 ft.

Thread Parameters

Thread Type UNC
Thread Size 1 3/4"-5
Threading Fully Threaded
Thread Direction Right Hand
Thread Spacing Coarse
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 ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
  • High hardness rating (Rockwell C35) provides superior wear resistance and durability, extending service life in demanding environments.
  • Fully threaded design allows for adjustable fastening and easy installation along the entire 3 ft length, offering versatile positioning.
  • Precise Class 2A thread fit with UNC coarse spacing ensures smooth assembly and secure connections, minimizing cross-threading issues.
  • ASTM A193 and Grade B7 compliance guarantees material quality and consistency, meeting rigorous industrial standards for safety.
  • RoHS 3 compliance ensures environmental safety and regulatory adherence, making it suitable for global industrial supply chains.
  • Right-hand threading facilitates standard installation practices, improving efficiency and compatibility with common tools.

Professional Applications & Engineering Value

This Grade B7 steel threaded rod is engineered to address critical challenges in heavy-duty industrial applications, such as construction, machinery assembly, and structural supports. Its high tensile strength and Rockwell C35 hardness prevent deformation under extreme loads, while the fully threaded and UNC coarse spacing design allows for quick adjustments and secure fastening in dynamic environments. Made from ASTM A193 compliant material, it ensures reliability in high-temperature and high-pressure scenarios, reducing maintenance needs and downtime. The Class 2A thread fit enhances installation accuracy, making it ideal for industrial fasteners where precision and durability are paramount.

Specification Summary & Compliance

This threaded rod adheres to Class 2A thread fit tolerances and UNC thread type standards, ensuring dimensional accuracy. It meets ASTM A193 specifications for material and manufacturing, with a tensile strength of 125,000 psi and hardness of Rockwell C35. The product is fully RoHS 3 (2015/863/EU) compliant, supporting environmental and safety regulations in industrial use.

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