S-98694A215 1/2"-13 Square Nuts

Key Features & Benefits at a Glance

• Exceptional strength and durability with Grade 5 steel construction, ideal for heavy-duty mechanical applications
• Superior holding power and resistance to loosening thanks to the external square drive design for secure installation
• Reliable thread engagement with Class 2B fit UNC coarse threads, ensuring consistent performance under stress
• Easy manual or tool installation due to the square shape, providing multiple gripping surfaces
• Compliance with environmental regulations, being RoHS 3 and REACH compliant for safe industrial use
• Optimized for high-vibration environments with right-hand coarse threading that resists unintentional loosening
• Precise dimensional accuracy with 13/16" width and 7/16" height for consistent fit in assemblies

Professional Applications & Engineering Value

This Grade 5 steel square nut is engineered to address common industrial challenges such as vibration-induced loosening and high-stress fatigue. Its 1/2"-13 UNC coarse thread and Class 2B fit provide reliable fastening in machinery, construction, and automotive assemblies, where consistent torque and thread integrity are critical. The external square drive design allows for easy wrench access in confined spaces, reducing installation time and improving maintenance efficiency. Made from high-strength steel, it withstands heavy loads and harsh conditions, making it a trusted choice for industrial fasteners in demanding applications like equipment frames, structural supports, and manufacturing systems.

Specification Summary & Compliance

This square nut adheres to UNC coarse thread standards with a Class 2B thread fit for precise dimensional tolerance. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety. Manufactured to Grade 5 strength specifications, it provides reliable performance in mechanical fastening applications, with right-hand threading and coarse spacing for enhanced durability.