S-90121A624 3/8"-16 x 1" ASME B18.2.1 Stainless Steel Wire-Lockable Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability
• High tensile strength of 70,000 psi ensures secure, vibration-resistant fastening in demanding industrial applications
• External hex drive and hex head design provides excellent torque transmission and easy installation with standard tools
• Coarse UNC threading with Class 2A fit offers quick assembly and reliable performance in a variety of materials
• Wire locking feature enhances joint security by preventing loosening under dynamic loads
• Full threading along the 1" length allows for maximum grip and adjustability in assembled components
• Compliance with ASME B18.2.1 and RoHS 3 guarantees consistent quality and environmental safety for global supply chains

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. The 18-8 stainless steel material provides excellent durability against moisture and chemicals, reducing maintenance costs in applications like machinery, structural frames, and outdoor equipment. Its coarse thread spacing and Class 2A fit ensure rapid installation and reliable performance in softer materials or where vibration is a concern. The external hex drive allows for high-torque application, making it suitable for heavy-duty fastening in construction, automotive, and manufacturing sectors. With a fully threaded design and wire locking, it delivers consistent clamping force and prevents back-off, enhancing safety and operational efficiency in dynamic environments.

Specification Summary & Compliance

This hex head screw features a 3/8"-16 UNC thread with Class 2A fit for precise dimensional accuracy and ease of assembly. It is manufactured in accordance with ASME B18.2.1 specifications, ensuring consistent performance and interchangeability. The product is fully RoHS 3 (2015/863/EU) compliant, meeting environmental regulations for hazardous substance restrictions. Additional attributes include a right-hand thread direction, coarse spacing, and full threading over the 1" length, providing reliable fastening solutions for industrial use.