S-93865A225 1/4"-20 x 5/8" Weld Studs

Key Features & Benefits at a Glance

• Exceptional Thread Precision – Class 3A thread fit ensures tight, reliable connections with minimal tolerance for vibration loosening in demanding applications.
• Full-Length Threading – Fully threaded design provides maximum grip and adjustability across the entire stud length for versatile assembly setups.
• Robust Steel Construction – Made from durable steel, these studs offer high tensile strength and resistance to wear in industrial welding environments.
• Optimized Base Design – 0.575" base diameter and below-head projection enhance weld stability and distribute stress evenly during operation.
• Coarse UNC Threading – 1/4"-20 UNC coarse threads allow for quick installation and are less prone to clogging with debris in rugged conditions.
• Right-Hand Thread Direction – Standard right-hand threading simplifies integration with common machinery and tools, reducing assembly time.
• Environmental & Regulatory Compliance – RoHS 3 and REACH compliant, ensuring safe use in regulated industries without hazardous substances.

Professional Applications & Engineering Value

These 1/4-20 UNC steel weld studs are engineered to address critical challenges in industrial welding and fastening, where precision and durability are paramount. The fully threaded design with Class 3A thread fit ensures secure, repeatable attachments in machinery, structural frames, and heavy equipment, minimizing the risk of thread stripping under load. The coarse UNC thread type and right-hand direction facilitate efficient installation in high-vibration settings, while the below-head projection and robust steel material enhance weld integrity and fatigue resistance. Ideal for welding stud applications in automotive, construction, and manufacturing, these studs deliver consistent performance, reducing downtime and maintenance costs in industrial fastener systems.

Specification Summary & Compliance

This product adheres to UNC thread standards with a Class 3A external thread fit for precise dimensional accuracy. Key specifications include a base diameter of 0.575", length of 5/8", and coarse thread spacing. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial markets.