S-90607A400 5/16"-18 Weld Nuts

Key Features & Benefits at a Glance

• Secure welding performance with 3 strategically placed projections that prevent rotation during welding and ensure permanent attachment
• Excellent thread compatibility with 5/16"-18 UNC coarse threads and Class 1B fit for easy assembly and reliable engagement with mating components
• Optimized barrel dimensions featuring 3/8" diameter and 5/8" height for superior alignment and increased thread engagement depth
• Durable steel construction providing high tensile strength and corrosion resistance for demanding industrial environments
• Round flange design with 7/8" base diameter distributing load evenly and preventing pull-through in thin materials
• Regulatory compliance assurance meeting both RoHS 3 and REACH standards for safe use in global markets
• Right-hand thread orientation following industry standards for straightforward installation and maintenance procedures

Professional Applications & Engineering Value

This high-strength steel weld nut delivers exceptional value in manufacturing and assembly operations where permanent threaded connections are critical. The three-weld projection design eliminates the common problem of nut rotation during welding, ensuring precise alignment and reducing assembly time. Engineered with UNC coarse threads and Class 1B thread fit, this weld nut provides reliable fastening in automotive frames, heavy equipment, structural steelwork, and machinery manufacturing. The round flange configuration with substantial base diameter offers superior load distribution, preventing material deformation in sheet metal applications. The inch system measurements and right-hand thread direction make it compatible with standard industrial components across North American markets, while the steel material ensures long-term durability in corrosive environments.

Specification Summary & Compliance

This weld nut maintains precise dimensional accuracy with Class 1B thread fit per UNC standards, ensuring proper engagement with mating components. The manufacturing follows inch system specifications with barrel diameter of 3/8", barrel height of 5/8", base diameter of 7/8", and base thickness of 1/16". The product is fully compliant with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) standards, meeting the latest environmental and safety requirements for industrial fasteners. The UNC coarse thread series with 5/16"-18 thread size and right-hand orientation follows established industrial fastening protocols for reliable performance across various applications.