S-90281A099 1/4"-20 x 4" DIN 939 Setup Studs

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel coating for reliable performance in demanding industrial environments
• Precise alignment and secure fastening with Class 2A thread fit ensuring consistent engagement and reduced assembly errors
• Exceptional load-bearing capacity with 125,000 psi tensile strength for high-stress applications requiring dependable strength
• Superior durability and wear resistance from Rockwell C22 hardness, extending service life in repetitive setup operations
• Versatile double-ended threading (1" on each end) for flexible installation and efficient connections in machinery and fixtures
• Global compliance assurance meeting DIN 939 standards and RoHS 3/REACH regulations for safe, internationally accepted use
• Optimized for precision tooling with 4" length and balanced design, ideal for jigs, fixtures, and alignment tasks

Professional Applications & Engineering Value

These black-oxide steel setup studs address critical engineering challenges in industrial settings, such as vibration-induced loosening and misalignment in precision equipment. The 1/4"-20 threading on both ends with Class 2A fit ensures tight tolerances, minimizing play in jigs, fixtures, and modular assemblies. Made from high-strength steel with a protective black-oxide finish, they resist rust and wear in harsh environments, reducing maintenance downtime. Their 125,000 psi tensile strength and Rockwell C22 hardness provide reliable performance in repetitive setup and teardown cycles, making them essential for manufacturing, automotive, and aerospace applications where accuracy and durability are paramount. Compliance with DIN 939 guarantees consistent quality for global engineering projects.

Specification Summary & Compliance

These setup studs feature a 4" length with 1" threaded sections on both ends and precise Class 2A thread fit per inch-based standards, ensuring dimensional accuracy for secure fastening. They conform to DIN 939 specifications for double-ended studs and meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting environmentally responsible and safe industrial use without hazardous substances.