S-92240A637 3/8"-16 x 2 3/4" ASME B18.2.1 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments
• High tensile strength of 80,000 psi provides superior load-bearing capacity for demanding industrial applications
• Rockwell B70 hardness delivers excellent wear resistance and durability under repeated stress
• Class 2A thread fit with UNC coarse threading enables faster assembly and reduced cross-threading risks
• Full threading along the 2 3/4" length offers maximum grip and uniform stress distribution
• External hex drive design allows for high-torque installation with standard tools
• Compliance with major industry standards including ASME B18.2.1, RoHS 3, and REACH for guaranteed quality and environmental safety

Professional Applications & Engineering Value

These 3/8"-16 UNC hex head screws deliver critical performance advantages in industrial fastening applications where corrosion resistance and structural integrity are paramount. The 18-8 Stainless Steel composition provides excellent protection against rust and chemical degradation, making these fasteners ideal for marine environments, food processing equipment, and outdoor infrastructure. The coarse UNC threading ensures rapid installation in various materials while maintaining secure connections under vibration. With full threading along the entire 2 3/4" length, these screws distribute clamping force evenly across joined components, preventing stress concentration points. The external hex drive accommodates high torque requirements during assembly, while the ASME B18.2.1 compliance guarantees dimensional accuracy and interchangeability with other standard components.

Specification Summary & Compliance

This hex head screw features precise Class 2A thread fit tolerances with 3/8"-16 UNC coarse threading in right-hand direction. Manufactured to ASME B18.2.1 specifications with inch system dimensions: 2 3/4" length, 9/16" head width, and 15/64" head height. The fastener meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards, ensuring safe use across various industrial sectors.