S-98694A213 3/8"-16 Square Nuts

Key Features & Benefits at a Glance

• Exceptional durability with Grade 5 steel construction, ensuring reliable performance in high-stress industrial environments.
• Precise Class 2B thread fit provides smooth assembly and secure fastening, reducing the risk of cross-threading and loosening.
• Coarse UNC threads offer faster installation and better resistance to vibration and debris in demanding applications.
• External square drive design allows for easy wrench access and high-torque tightening without slipping.
• Full compliance with RoHS 3 and REACH standards ensures environmental safety and meets strict industrial regulatory requirements.
• Right-hand threading enables straightforward, standard installation for efficient maintenance and assembly processes.
• Heavy-duty inch sizing (3/8"-16) delivers robust holding power, ideal for machinery, construction, and automotive uses.

Professional Applications & Engineering Value

This Grade 5 steel square nut is engineered to address common industrial challenges such as vibration-induced loosening and corrosion in harsh environments. The 3/8"-16 UNC coarse thread and Class 2B fit ensure quick, secure fastening in equipment assembly, reducing downtime and maintenance costs. Its external square drive facilitates high-torque applications without tool slippage, making it ideal for automotive frames, heavy machinery, and structural projects. Made from robust steel and compliant with RoHS and REACH, it offers long-term reliability and safety, supporting efficient operations in construction, manufacturing, and repair sectors.

Specification Summary & Compliance

This square nut adheres to UNC coarse thread standards with a Class 2B thread fit for precise dimensional accuracy. It meets Grade 5 strength specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety standards in industrial fastener applications.