S-91025A816 5/8"-11 x 5 1/2" DIN 939 Setup Studs

Key Features & Benefits at a Glance

• Exceptional tensile strength of 125,000 PSI ensures reliable performance in high-stress assembly applications, reducing the risk of fastener failure.
• Precision Class 2A thread fit on both ends allows for smooth, accurate installation and consistent alignment in machinery setups.
• Black-oxide steel construction provides enhanced corrosion resistance, extending service life in demanding industrial environments.
• Rockwell C22 hardness rating offers superior wear resistance, maintaining thread integrity through repeated use.
• Full compliance with DIN 939 standards guarantees dimensional accuracy and interchangeability for global engineering projects.
• RoHS 3 and REACH compliant materials ensure environmental safety and regulatory adherence for international supply chains.
• Dual-ended threading design simplifies installation and removal, saving time in precision setup and adjustment tasks.

Professional Applications & Engineering Value

These DIN 939 setup studs are engineered to address critical challenges in precision machinery alignment, fixture setups, and modular assembly systems. The black-oxide steel material, combined with a 5/8"-11 thread size and Class 2A thread fit, ensures minimal tolerance deviation and secure fastening under dynamic loads. With a 2" and 7/8" thread length on each end, they facilitate efficient mounting and disassembly in jigs, molds, and industrial equipment, reducing downtime. The high 125,000 PSI tensile strength and corrosion-resistant finish make them ideal for automotive, aerospace, and manufacturing sectors where durability and precision are paramount. By integrating standardized threaded both ends design, these studs enhance workflow efficiency and reduce installation errors in complex B2B applications.

Specification Summary & Compliance

This product adheres to Class 2A thread fit tolerances per ASME standards, ensuring precise engagement and interchangeability. It conforms to DIN 939 specifications for dimensional accuracy and thread profile. The studs are manufactured from high-strength steel with a black-oxide surface treatment, meeting RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance for hazardous substance restrictions, supporting use in regulated industries.