S-99086A306 1/4"-20 x 2 ft. ASTM A193 Threaded Rods

Threaded Rods

1391FA00647 Threaded Rods
1391FA00647 Threaded Rods

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

Part No.
Part No. 1391FA00647
Equivalent to mcmaster :
99086A306

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 2 ft.

Thread Parameters

Thread Type UNC
Thread Size 1/4"-20
Threading Fully Threaded
Thread Direction Right Hand
Thread Spacing Coarse
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
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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.
  • Superior corrosion resistance from zinc yellow-chromate plating extends service life in harsh industrial environments, minimizing maintenance needs.
  • Precision Class 2A thread fit guarantees smooth assembly and secure fastening, improving installation efficiency and joint integrity.
  • Fully threaded design provides consistent engagement along the entire 2 ft length, offering versatile positioning and adjustment flexibility.
  • High hardness rating (Rockwell C35) enhances wear resistance and durability under mechanical loads, supporting long-term operational stability.
  • Compliance with ASTM A193 and Grade B7 standards ensures material quality and performance consistency for critical engineering applications.
  • RoHS 3 and REACH compliance meets environmental and safety regulations, making it suitable for global industrial supply chains.

Professional Applications & Engineering Value

This 1/4-20 UNC threaded rod is engineered to address demanding industrial challenges where strength, corrosion resistance, and reliability are paramount. Made from ASTM Grade B7 zinc yellow-chromate plated steel, it combats corrosion in environments like chemical processing, construction, and heavy machinery, preventing premature degradation. The fully threaded right-hand design with coarse UNC threads ensures easy installation and robust load distribution, ideal for structural bracing, piping systems, and equipment anchoring. Its high tensile strength and hardness make it a go-to for applications requiring sustained performance under stress, reducing downtime and maintenance costs while adhering to strict industry standards.

Specification Summary & Compliance

This threaded rod features a 1/4"-20 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy, manufactured in accordance with ASTM A193 and Grade B7 specifications. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory adherence for industrial use.

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