S-90344A153 3/8"-24 x 1" ASTM A574 Socket Head Screws with Flat Washer

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
• Black-oxide finish on alloy steel provides enhanced corrosion resistance, extending service life in demanding industrial environments.
• Class 3A thread fit offers superior precision and tighter tolerances for secure, vibration-resistant assemblies.
• Integrated flat washer distributes load evenly, preventing surface damage and maintaining joint integrity under repeated stress.
• Rockwell C39 hardness delivers excellent wear resistance, ensuring durability and long-term performance.
• Fully threaded design allows for maximum adjustability and holding power across the entire length.
• Compliance with ASTM A574, RoHS 3, and REACH guarantees material quality and environmental safety for global supply chain compatibility.

Professional Applications & Engineering Value

This 3/8"-24 UNF Socket Head Cap Screw is engineered to address critical challenges in precision machinery, automotive, and heavy equipment sectors. The Black-Oxide Alloy Steel construction combats corrosion and wear, while the fine thread spacing and Class 3A fit provide exceptional clamp load retention in high-vibration environments. The integrated flat washer eliminates the need for separate components, streamlining assembly and reducing installation time. Ideal for applications requiring high tensile strength and reliable fastening, this screw ensures operational safety and reduces maintenance downtime in rigorous industrial settings.

Specification Summary & Compliance

This socket head cap screw features a Class 3A thread fit per UNF standards, ensuring precise engagement and consistent performance. Manufactured in accordance with ASTM A574 specifications, it meets rigorous quality benchmarks for material and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its suitability for environmentally conscious and regulated industries. Dimensions include a 1" length, 5/16" hex drive, and 13/16" washer OD, all adhering to inch system measurements for compatibility with standard tooling.