S-91416A325 3/8"-16 x 1 1/2" ASME B18.6.2 Set Screws

Key Features & Benefits at a Glance

• Superior holding power with alloy steel construction and Rockwell C45 hardness for reliable performance in high-stress applications
• Precise installation control through external square drive design that prevents tool slippage and ensures consistent torque application
• Quick assembly efficiency with UNC coarse threads that engage faster and resist cross-threading in industrial environments
• Secure component positioning featuring cup tip design that creates positive engagement and prevents work piece damage
• Long-term corrosion resistance with compliant surface treatment meeting RoHS 3 and REACH environmental regulations
• Interchangeable reliability through ASME B18.6.2 compliance ensuring consistent dimensions and thread specifications
• Optimized thread engagement with Class 2A fit providing smooth assembly while maintaining secure fastening integrity

Professional Applications & Engineering Value

This alloy steel set screw delivers exceptional engineering value in demanding industrial applications where vibration resistance and permanent positioning are critical. The combination of Rockwell C45 hardness and UNC coarse threads provides superior resistance to loosening under dynamic loads, making it ideal for machinery components, power transmission systems, and manufacturing equipment. The square head design with external drive allows for high-torque installation without stripping, while the cup tip ensures positive contact without damaging secured components. Engineered to ASME B18.6.2 specifications, this heavy-duty fastener maintains dimensional consistency across production runs, reducing installation time and ensuring reliable performance in automotive, aerospace, and industrial machinery applications where precision alignment and lasting security are paramount.

Specification Summary & Compliance

This 3/8"-16 UNC set screw features precise Class 2A thread fit tolerances ensuring smooth assembly while maintaining secure fastening. Manufactured to ASME B18.6.2 dimensional standards with 1 1/2" length and 3/8" head width. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, containing no restricted substances. The alloy steel construction meets industry standards for strength and durability in demanding mechanical applications.