S-93975A400 1/2"-13 ASME B1.1 Weld Nuts

Key Features & Benefits at a Glance

• Superior weld integrity with a square shape that provides excellent stability and prevents rotation during welding for reliable, permanent fastening
• Exceptional thread engagement with Class 2B thread fit ensuring smooth assembly and reduced risk of cross-threading in demanding applications
• Optimized for high-strength applications featuring coarse UNC threads that resist vibration loosening and maintain secure connections under stress
• Precision manufacturing compliance with ASME B1.1 standards guarantees consistent dimensional accuracy and reliable performance across all installations
• Enhanced corrosion resistance through RoHS 3 and REACH compliance, ensuring environmental safety and longevity in harsh industrial environments
• Versatile installation compatibility with 47/64" hole diameter and 23/32" collar diameter designed for precise fitment in various welding setups
• Durable steel construction provides excellent tensile strength and heat resistance during welding operations, extending service life

Professional Applications & Engineering Value

This 1/2"-13 UNC square weld nut delivers critical engineering solutions for industrial fabrication and heavy equipment manufacturing. The steel construction combined with coarse thread design addresses common challenges in high-vibration environments where fine threads might fail. The square configuration provides maximum surface contact for superior weld penetration, eliminating the need for additional fixturing during assembly. With Class 2B thread fit, this nut ensures smooth engagement with mating components while maintaining precise tolerances for automated production lines. Ideal for structural steelwork, machinery frames, and transportation equipment, this ASME B1.1 compliant fastener reduces installation time while providing dependable, long-term fastening solutions that withstand thermal cycling and mechanical stress.

Specification Summary & Compliance

This square weld nut features 1/2"-13 UNC coarse threads with Class 2B thread fit per ASME B1.1 specifications. Critical dimensions include 23/32" collar diameter, 13/16" width, 3/8" height, and compatibility with 47/64" hole diameter. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial applications while meeting international quality standards for industrial fasteners.