S-92240A641 3/8"-16 x 4 1/4" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and outdoor applications.
• Superior mechanical strength offering 80,000 psi tensile strength and Rockwell B70 hardness for reliable performance under heavy loads.
• Easy installation and removal with external hex drive and right-hand coarse (UNC) threads, reducing assembly time and effort.
• Consistent thread engagement ensured by Class 2A thread fit and full threading along the 4 1/4" length for secure fastening.
• Compliance with industry standards including ASME B18.2.1, ensuring dimensional accuracy and interchangeability.
• Environmental responsibility through RoHS 3 and REACH compliance, meeting strict regulatory requirements for hazardous substances.
• Durable and long-lasting performance in demanding industrial settings, minimizing maintenance and replacement costs.

Professional Applications & Engineering Value

This 3/8"-16 UNC hex head screw is engineered to address critical challenges in industrial assembly, where corrosion resistance and high tensile strength are paramount. Made from 18-8 Stainless Steel, it effectively combats rust and degradation in moist or chemically aggressive environments, such as marine equipment, food processing machinery, and outdoor structures. The coarse thread design and Class 2A thread fit provide reliable grip in various materials, reducing the risk of stripping and ensuring consistent clamping force. With an external hex drive and fully threaded shank, it enables quick installation and uniform stress distribution, making it ideal for heavy-duty applications like construction frameworks, automotive components, and industrial machinery where vibration resistance and long-term reliability are essential.

Specification Summary & Compliance

This product adheres to precise dimensional standards with Class 2A thread fit and UNC coarse threads (3/8"-16 size), manufactured in compliance with ASME B18.2.1. It meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free from restricted hazardous substances. The screw features a length of 4 1/4", full threading, and is crafted from 18-8 Stainless Steel, providing consistent performance and reliability in industrial applications.