S-91971A014 1/2"-13 Square Nuts

Key Features & Benefits at a Glance

• Exceptional heat resistance - withstands extreme temperatures up to 3630°F for reliable performance in high-temperature industrial environments
• Superior strength-to-weight ratio - carbon fiber construction delivers 17,000 psi tensile strength while remaining lightweight
• Excellent thermal management - 12 W/m-K thermal conductivity helps dissipate heat efficiently from critical assemblies
• Precision threading - Class 6H thread fit ensures secure, vibration-resistant connections in demanding applications
• Easy installation and removal - external square drive design provides superior torque transmission for quick assembly
• Environmental compliance - meets REACH and RoHS 3 standards for safe use in regulated industries
• Durable chopped construction - carbon fiber material maintains integrity under mechanical stress and thermal cycling

Professional Applications & Engineering Value

This carbon fiber square nut addresses critical engineering challenges in high-temperature environments where traditional metal fasteners fail. The chopped carbon fiber construction provides exceptional thermal stability while maintaining structural integrity at temperatures reaching 3630°F, making it ideal for aerospace, automotive, and industrial heating applications. The 1/2"-13 UNC coarse thread with Class 6H fit ensures reliable engagement in vibration-prone assemblies, while the external square drive facilitates secure tool engagement during installation. With 12 W/m-K thermal conductivity, this nut effectively manages heat transfer in thermal management systems, preventing localized overheating in critical components. The combination of right-hand threading and coarse thread spacing delivers quick assembly in production environments where time efficiency is crucial.

Specification Summary & Compliance

This square nut features precision 1/2"-13 UNC coarse threads with Class 6H thread fit tolerance for secure fastening applications. The inch-system nut measures 1" width and 1/2" height with right-hand thread direction. Manufacturing complies with REACH (EC 1907/2006) regulations (updated 06/10/2022, 224 SVHC) and RoHS 3 (2015/863/EU) directives, ensuring environmental responsibility and workplace safety. The carbon fiber material delivers consistent performance with 17,000 psi tensile strength rating for demanding industrial applications.