S-90281A120 5/16"-18 x 7" DIN 939 Setup Studs

Key Features & Benefits at a Glance

• High tensile strength of 125,000 psi ensures reliable performance under heavy loads and reduces the risk of failure in demanding applications.
• Precision Class 2A thread fit guarantees smooth assembly and disassembly, minimizing cross-threading and improving installation efficiency.
• Black-oxide steel construction provides excellent corrosion resistance, extending service life in harsh industrial environments.
• Threaded on both ends design offers versatile mounting and alignment capabilities, saving time in complex setups.
• DIN 939 compliance ensures dimensional accuracy and interchangeability, supporting standardized engineering processes.
• RoHS 3 and REACH compliance meets strict environmental regulations, making them suitable for global supply chains and eco-conscious projects.
• Rockwell C22 hardness delivers durability and wear resistance, maintaining thread integrity through repeated use.

Professional Applications & Engineering Value

These 5/16"-18 threaded setup studs are engineered from black-oxide steel to address common industrial challenges such as misalignment and corrosion in machinery assembly. The double-ended threading allows for secure fastening in jigs, fixtures, and precision equipment, reducing setup time and enhancing stability. With a minimum tensile strength of 125,000 psi and compliance with DIN 939, they provide consistent performance in automotive, manufacturing, and tooling applications where exact positioning is critical. The Class 2A thread fit ensures easy installation without compromising grip, while the protective coating resists rust, making them ideal for humid or abrasive conditions. This combination of material strength and design precision supports efficient production workflows and long-term reliability.

Specification Summary & Compliance

This product features a 7" length with 1 1/8" thread length on both ends and 5/16"-18 thread size, manufactured to Class 2A thread fit tolerances for precise engagement. It conforms to DIN 939 standards for dimensional consistency and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance, ensuring adherence to global regulatory requirements for hazardous substances.