S-91025A920 1"-8 x 4" DIN 939 Setup Studs

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel coating for reliable performance in harsh industrial environments.
• Precise thread engagement with Class 2A thread fit ensuring secure, vibration-resistant connections in assembly setups.
• High tensile strength of 125,000 psi for dependable load-bearing capacity in demanding applications.
• Rockwell C22 hardness providing excellent wear resistance and durability for repeated use.
• Dual-ended threading (1"-8 on both ends) for versatile and efficient installation in various setups.
• Compliance with DIN 939 standards ensuring consistent quality and interchangeability in metric-based systems.
• Environmental safety with RoHS 3 and REACH compliance, meeting strict regulatory requirements.

Professional Applications & Engineering Value

These black-oxide steel setup studs are engineered to address common challenges in precision industrial applications, such as fixture alignment and machinery setup. The 1"-8 threading on both ends allows for quick, symmetrical fastening, reducing assembly time and minimizing errors in repetitive tasks. Made from high-strength steel with a Rockwell C22 hardness, they resist deformation and wear under high-stress conditions, ensuring long-term reliability in jigs, molds, and tooling systems. The black-oxide surface treatment provides an added layer of protection against rust and corrosion, making them ideal for environments exposed to moisture or chemicals. By complying with DIN 939, these studs offer standardized dimensions and thread profiles, facilitating seamless integration into existing metric setups and enhancing overall operational efficiency.

Specification Summary & Compliance

This setup stud features a 4" length with Class 2A thread fit and precise threading on both ends (1"-8), adhering to DIN 939 standards for dimensional accuracy. It meets a minimum tensile strength of 125,000 psi and Rockwell C22 hardness, ensuring consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental and safety standards in industrial use.