S-91025A558 1/4"-20 x 4" DIN 939 Setup Studs

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance: Black-oxide steel finish provides superior protection against rust and wear in demanding industrial environments.
• High Tensile Strength for Secure Fastening: Minimum 125,000 psi tensile strength ensures reliable performance under high-stress conditions, preventing failure.
• Precision Thread Fit for Accurate Alignment: Class 2A thread fit guarantees consistent, easy assembly and reduces the risk of cross-threading.
• Versatile Double-Ended Threading: Threaded on both ends (1 3/4" and 3/8" lengths) allows for flexible installation and efficient setup in machinery and fixtures.
• Compliance with International Standards: Meets DIN 939 specifications, ensuring compatibility and reliability in global engineering applications.
• Environmental & Regulatory Safety: RoHS 3 and REACH compliance confirms the stud is free from hazardous substances, suitable for regulated industries.
• Optimal Hardness for Longevity: Rockwell C22 minimum hardness provides excellent resistance to deformation, extending service life.

Professional Applications & Engineering Value

This 1/4-20 setup stud is engineered to address common challenges in precision industrial setups, such as misalignment and component fatigue. Made from black-oxide steel, it offers exceptional corrosion resistance, reducing maintenance needs in humid or abrasive conditions. The threaded both ends design with precise Class 2A thread fit ensures quick, secure connections in jigs, fixtures, and machinery, minimizing downtime. Ideal for applications requiring high tensile strength (125,000 psi) and compliance with DIN 939, this stud supports efficient assembly in manufacturing, automotive, and aerospace sectors, where reliability and adherence to environmental standards like RoHS 3 and REACH are critical.

Specification Summary & Compliance

This stud features a 1/4"-20 thread size with Class 2A thread fit for precise dimensional accuracy, adhering to DIN 939 manufacturing standards. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety. The specifications include a minimum tensile strength of 125,000 psi and Rockwell C22 hardness, confirming durability and performance in industrial applications.