S-90281A898 1"-8 x 12" DIN 939 Setup Studs

Key Features & Benefits at a Glance

• Exceptional Durability: Black-oxide steel construction provides superior corrosion resistance, extending service life in demanding industrial environments.
• High Tensile Strength: With a minimum tensile strength of 125,000 psi, these studs reliably handle heavy loads and high-stress applications without failure.
• Precision Thread Fit: Class 2A thread fit ensures consistent, reliable engagement with mating components, reducing the risk of cross-threading and assembly errors.
• Optimized for Efficiency: Threaded on both ends with 2 1/2" thread lengths allows for quick and secure fastening from either side, speeding up setup and changeover times.
• Guaranteed Hardness: Rockwell C22 minimum hardness provides excellent wear resistance, maintaining thread integrity through repeated use.
• Global Standard Compliance: Manufactured to DIN 939 specifications, ensuring interchangeability and reliability in international engineering projects.
• Environmentally Responsible: Full compliance with RoHS 3 and REACH regulations makes these studs safe for use in regulated industries and global markets.

Professional Applications & Engineering Value

These Black-Oxide Steel Setup Studs are engineered to solve critical challenges in precision machinery setup, fixture alignment, and modular assembly systems. The 1"-8 threading on both ends with substantial 2 1/2" thread lengths provides versatile mounting options while maintaining structural integrity. The black-oxide surface treatment offers enhanced corrosion protection without dimensional changes, making these studs ideal for manufacturing environments where exposure to oils, coolants, and humidity is common. Their high tensile strength and Rockwell C22 hardness ensure they can withstand the repeated torque and tension cycles encountered in tooling applications, jig and fixture construction, and precision equipment mounting. By combining dimensional stability with robust mechanical properties, these setup studs deliver reliable performance in CNC machining centers, assembly fixtures, and industrial automation systems where precise component positioning is critical.

Specification Summary & Compliance

These setup studs feature Class 2A thread fit tolerance for consistent assembly performance and are manufactured to DIN 939 standards for dimensional accuracy and reliability. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) regulations regarding substance restrictions, ensuring environmental responsibility and global market acceptance. With precise 1"-8 thread size and balanced 2 1/2" thread lengths on both ends, these studs deliver the dimensional consistency required for professional industrial applications.