S-90121A626 3/8"-16 x 1 1/4" 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 reducing replacement frequency.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and prevents fastener failure.
• Rockwell B70 hardness provides excellent durability and resistance to wear during installation and use.
• Class 2A thread fit with UNC coarse threads allows for easy, quick assembly and reduces cross-threading risks.
• External hex drive design offers secure tool engagement for efficient tightening with common wrenches.
• Fully threaded right-hand design maximizes grip and holding power across the entire length for consistent fastening.
• Compliance with ASME B18.2.1 and RoHS 3 guarantees consistent quality, safety, and environmental standards adherence.

Professional Applications & Engineering Value

Engineered for demanding industrial settings, this 3/8"-16 UNC hex head screw in 18-8 Stainless Steel addresses common challenges like corrosion, vibration loosening, and high-stress fatigue. The coarse thread and Class 2A fit ensure rapid installation in materials such as metal frameworks, machinery, and construction assemblies, minimizing downtime. Its fully threaded design and external hex drive provide uniform clamping force and easy access in tight spaces, making it a reliable choice for heavy-duty applications where durability and compliance with ASME B18.2.1 are critical for long-term performance and safety.

Specification Summary & Compliance

This screw features a 3/8"-16 UNC thread with Class 2A dimensional accuracy for precise fit, and is manufactured to meet ASME B18.2.1 specifications. It complies with RoHS 3 (2015/863/EU) regulations, ensuring it is free from hazardous substances, and is fully threaded with a right-hand direction for consistent fastening performance in industrial use.