S-98750A705 1 1/4"-8 x 8" ASTM A193 Threaded Rods

Threaded Rods

1391FA00312 Threaded Rods
1391FA00312 Threaded Rods

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

Part No.
Part No. 1391FA00312
Equivalent to mcmaster :
98750A705

Basic Information

System of Measurement Inch
Specifications Met ASTM A193
RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (07/08/2021, 219 SVHC) Compliant

Dimension Parameters

Length 8"

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 load-bearing capacity with 125,000 psi tensile strength for reliable performance in high-stress applications
  • Superior durability and wear resistance thanks to Rockwell C35 hardness, extending service life in demanding environments
  • Full-length threading ensures maximum engagement and consistent holding power across the entire 8" length
  • Precision Class 2A thread fit provides smooth assembly and reliable mating with compatible nuts
  • UN coarse threading design offers excellent resistance to vibration loosening and faster installation
  • Comprehensive regulatory compliance with RoHS 3 and REACH standards for environmentally responsible sourcing
  • Right-hand thread direction enables standard installation procedures and compatibility with common tools

Professional Applications & Engineering Value

This ASTM Grade B7 threaded rod delivers critical engineering solutions for heavy-duty industrial applications where failure is not an option. The high-strength steel construction and UN coarse threading provide exceptional resistance to dynamic loads and vibration, making it ideal for structural supports, machinery anchoring, and pressure vessel applications. The fully threaded design allows for adjustable positioning and maximum thread engagement throughout the entire 8-inch length, while the Class 2A thread fit ensures precise mating with standard nuts. Engineered to meet ASTM A193 specifications, this threaded rod maintains integrity in high-temperature and high-pressure environments, solving critical fastening challenges in petrochemical, construction, and manufacturing sectors where reliability and compliance with international standards are paramount.

Specification Summary & Compliance

This 1 1/4"-8 threaded rod features precision Class 2A thread fit with UN coarse threading and right-hand thread direction. Manufactured to ASTM A193 specifications with ASTM Grade B7 material certification, ensuring consistent mechanical properties including 125,000 psi tensile strength and Rockwell C35 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, providing assurance of material safety and regulatory adherence for global industrial applications.

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