S-93560A140 1/4"-20 ASME B1.1 Weld Nuts

Key Features & Benefits at a Glance

• Secure Welded Fastening: Hex shape provides excellent torque transmission and prevents rotation during welding, ensuring permanent, vibration-resistant joints in heavy-duty applications.
• High-Strength Steel Construction: Manufactured from durable steel for reliable performance and long-term corrosion resistance in demanding industrial environments.
• Optimized Coarse Thread Design: 1/4"-20 UNC coarse threads enable quicker assembly and are less prone to clogging with debris, streamlining production efficiency.
• Precision Class 2B Thread Fit: Ensures consistent, smooth engagement with mating screws, reducing the risk of cross-threading and improving assembly reliability.
• Standardized ASME B1.1 Compliance: Guarantees dimensional accuracy and interchangeability, providing peace of mind for quality-critical projects and replacement parts.
• Reinforced Collar Design: 13/32" collar diameter and 0.047" height offer increased surface contact for stronger welds and enhanced load distribution.
• Environmental Regulation Compliance: Meets RoHS 3 and REACH standards, making it suitable for use in regulated industries and global supply chains.

Professional Applications & Engineering Value

This 1/4"-20 UNC Hex Weld Nut is engineered to solve critical challenges in metal fabrication and structural assembly. The steel construction provides the necessary strength for heavy-duty applications, from machinery frames to vehicle chassis, where weld integrity is paramount. The coarse thread design is particularly valuable in environments where speed of assembly is crucial, and the Class 2B thread fit ensures reliable engagement even after repeated disassembly and reassembly cycles. The hex shape allows for secure positioning during the welding process, preventing costly misalignment issues. With compliance to ASME B1.1 standards, engineers can specify these weld nuts with confidence for projects requiring certified components that deliver consistent performance under stress and vibration.

Specification Summary & Compliance

This weld nut features 1/4"-20 UNC coarse threads with Class 2B thread fit per ASME B1.1 specifications, ensuring precise dimensional accuracy. Critical dimensions include a 13/32" collar diameter, 1/2" width, and 3/16" height, designed for 27/64" hole diameters. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and safety standards for industrial use.