S-90281A808 5/8"-11 x 3 1/2" DIN 939 Setup Studs

Key Features & Benefits at a Glance

• Exceptional Tensile Strength - With a minimum tensile strength of 125,000 psi, these studs provide reliable performance in high-stress applications, reducing the risk of fastener failure.
• Precision Thread Fit - Class 2A thread fit ensures smooth assembly and disassembly, minimizing cross-threading and improving installation efficiency.
• Corrosion-Resistant Coating - The black-oxide steel finish offers enhanced resistance to rust and wear, extending service life in harsh industrial environments.
• Double-Ended Threading - Threaded on both ends allows for versatile connections and secure mounting in setup and fixturing applications.
• High Hardness Rating - Rockwell C22 hardness provides excellent durability and resistance to deformation under heavy loads.
• Standard Compliance - DIN 939 specification ensures dimensional accuracy and interchangeability with compatible components.
• Environmental Compliance - RoHS 3 and REACH certifications guarantee safe, eco-friendly use without hazardous substances.

Professional Applications & Engineering Value

These Black-Oxide Steel Setup Studs are engineered to address common challenges in industrial assembly, such as alignment precision and load-bearing stability. The 5/8"-11 threading on both ends with Class 2A fit enables quick, secure connections in jigs, fixtures, and machinery setups, reducing downtime. Made from high-strength steel with a black-oxide surface treatment, they resist corrosion and wear in demanding environments like manufacturing plants and automotive assembly lines. The DIN 939 standard ensures consistent dimensions and reliable performance, making them ideal for applications requiring repeated adjustments and heavy-duty fastening. Their 125,000 psi tensile strength and Rockwell C22 hardness provide the durability needed to withstand vibration and dynamic loads, enhancing operational safety and longevity.

Specification Summary & Compliance

These studs feature a 3 1/2" length with 1 1/4" thread length on both ends, adhering to Class 2A thread fit tolerances for precise engagement. They comply with DIN 939 manufacturing specifications and meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe and reliable use in industrial applications.