S-98957A715 1 1/4"-8 x 6 ft. ASTM A193 Threaded Rods

Threaded Rods

1391FA00561 Threaded Rods
1391FA00561 Threaded Rods

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

Part No.
Part No. 1391FA00561
Equivalent to mcmaster :
98957A715

Basic Information

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

Dimension Parameters

Length 6 ft.

Thread Parameters

Thread Type UN
Thread Size 1 1/4"-8
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 demanding industrial applications, reducing the risk of fastener failure
  • Full UN coarse threading along the entire 6-foot length provides maximum engagement flexibility and faster assembly in structural applications
  • ASTM Grade B7 steel construction delivers superior durability and resistance to high-temperature environments common in industrial settings
  • Class 2A thread fit maintains precise dimensional accuracy for smooth installation and consistent performance across multiple connections
  • Rockwell C35 hardness rating offers excellent wear resistance and maintains thread integrity through repeated use and heavy loads
  • Right-hand threading design ensures compatibility with standard industrial equipment and simplifies installation procedures
  • Full regulatory compliance with ASTM A193 and RoHS 3 standards guarantees material quality and environmental safety for global projects

Professional Applications & Engineering Value

This 1 1/4"-8 threaded rod delivers critical engineering solutions for heavy-duty applications where failure is not an option. The ASTM Grade B7 steel composition provides exceptional strength retention in high-temperature environments up to 800°F, making it ideal for pressure vessel systems, valve assemblies, and structural anchoring in industrial plants. The fully threaded design with UN coarse threads allows for adjustable positioning and secure fastening across the entire length, while the Class 2A thread fit ensures consistent engagement with mating components. Engineered to withstand extreme mechanical stress and vibration, this high-strength threaded rod solves critical challenges in construction, manufacturing, and energy sector applications where reliability and durability are paramount.

Specification Summary & Compliance

This threaded rod meets precise dimensional standards with Class 2A thread fit tolerance and UN coarse thread specifications (1 1/4"-8). Manufacturing complies with ASTM A193 specification for high-temperature service, while material certification confirms ASTM Grade B7 classification with 125,000 psi tensile strength and Rockwell C35 hardness. The product is fully RoHS 3 (2015/863/EU) compliant for environmental safety and meets all specified mechanical and dimensional requirements for industrial fastener applications.

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