S-93975A100 1/4"-20 ASME B1.1 Weld Nuts

Key Features & Benefits at a Glance

• Enhanced Welding Stability: Square shape provides superior anti-rotation during and after welding, ensuring secure, long-lasting connections in high-vibration environments.
• Robust Material Integrity: Made from durable steel, this nut offers excellent strength and resistance to corrosion, ideal for demanding industrial applications.
• Precision Thread Engagement: UNC coarse threads with Class 2B fit guarantee easy, reliable assembly and reduced risk of cross-threading, speeding up production.
• Optimized Weld Collar Design: The 13/32" collar diameter and 0.063" height ensure maximum surface contact for strong, consistent welds with minimal spatter.
• Standardized Compliance & Reliability: Manufactured to ASME B1.1 specifications, ensuring consistent quality and interchangeability across industrial projects.
• Environmental & Safety Assurance: RoHS 3 and REACH compliant, making it safe for use in regulated industries without hazardous substances.
• Efficient Hole Fit: Designed for 27/64" holes, enabling quick alignment and reducing installation time in fabrication workflows.

Professional Applications & Engineering Value

This 1/4"-20 UNC Square Weld Nut is engineered to solve critical challenges in metal fabrication and structural assembly. Its steel construction and square shape prevent rotation under stress, making it ideal for welding onto frames, machinery, and automotive components where vibration resistance is paramount. The coarse thread spacing and Class 2B thread fit facilitate rapid installation with standard tools, reducing labor costs and minimizing assembly errors. By adhering to ASME B1.1 standards, it ensures dimensional consistency and reliability in high-stakes environments like construction, heavy equipment manufacturing, and infrastructure projects. The nut’s design supports efficient welding processes, enhancing productivity while maintaining structural integrity under load.

Specification Summary & Compliance

This weld nut features precise dimensions including a 1/4"-20 UNC thread with Class 2B thread fit for consistent engagement, and complies with ASME B1.1 manufacturing standards. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability. Key specs include a 13/32" collar diameter, 0.063" collar height, and compatibility with 27/64" holes for accurate installation.