S-91418A628 3/8"-16 x 1 1/2" ASTM F912 Set Screws

Key Features & Benefits at a Glance

• Exceptional holding power with Rockwell C45 hardness for superior resistance to wear and deformation in demanding applications
• Precise Class 2A thread fit ensures smooth installation and reliable, vibration-resistant fastening in industrial assemblies
• Extended tip design provides deeper penetration and enhanced grip for secure component positioning
• Black-oxide coating on alloy steel offers excellent corrosion resistance, extending service life in harsh environments
• External square drive allows for high-torque application with standard tools, reducing installation time and slippage
• Coarse UNC threads enable quick assembly and disassembly, improving maintenance efficiency
• Full compliance with ASTM F912, RoHS 3, and REACH ensures material safety and meets rigorous industrial standards

Professional Applications & Engineering Value

This 3/8"-16 UNC square head set screw is engineered to address critical fastening challenges in heavy-duty machinery, automotive, and construction equipment. The black-oxide alloy steel construction, combined with Rockwell C45 hardness, provides exceptional durability against high stress and environmental exposure. The extended tip enhances grip on shafts and collars, preventing loosening under vibration, while the coarse thread and Class 2A fit ensure consistent performance in repetitive assembly tasks. Ideal for securing gears, pulleys, and other rotating components, this screw delivers reliable industrial set screw performance where precision and strength are paramount.

Specification Summary & Compliance

This set screw features a 1-1/2" length with 3/8"-16 UNC coarse threads and Class 2A thread fit for precise dimensional accuracy. It meets ASTM F912 specifications for quality and performance, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity in industrial applications.