S-91025A550 1/4"-20 x 2" DIN 939 Setup Studs

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel coating for prolonged service life in demanding industrial environments
• Superior tensile strength rated at 125,000 PSI ensures reliable performance under high-stress conditions
• Precision dual threading with 1" and 3/8" lengths provides versatile setup and alignment capabilities
• Class 2A thread fit guarantees consistent, secure fastening with standard mating components
• Rockwell C22 hardness maintains structural integrity and resistance to deformation during repeated use
• DIN 939 compliance ensures dimensional accuracy and interchangeability in international applications
• Environmental compliance with RoHS 3 and REACH standards for safe usage across regulated industries

Professional Applications & Engineering Value

These black-oxide steel setup studs address critical alignment and mounting challenges in precision machinery, jig and fixture assemblies, and automated manufacturing systems. The 1/4"-20 thread size with dual-end threading enables rapid installation and adjustment while maintaining positional accuracy. Engineered with 125,000 PSI tensile strength and Rockwell C22 hardness, they withstand cyclic loading and vibration in industrial environments. The black-oxide surface treatment provides moderate corrosion protection, extending service life in workshop conditions. Compliance with DIN 939 standards ensures dimensional consistency for global equipment compatibility and replacement part interoperability.

Specification Summary & Compliance

Manufactured to Class 2A thread fit tolerances with 1/4"-20 unified thread form on both ends. Meets DIN 939 dimensional and mechanical specifications. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Minimum tensile strength of 125,000 PSI and hardness of Rockwell C22 verified through quality control processes.