S-91025A554 1/4"-20 x 3" DIN 939 Setup Studs

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide steel coating, extending service life in demanding industrial environments.
• High tensile strength of 125,000 PSI ensures reliable performance under heavy loads and reduces risk of mechanical failure.
• Precision Class 2A thread fit on both ends for easy, secure installation and compatibility with standard mating components.
• Rockwell C22 hardness provides excellent wear resistance, maintaining thread integrity through repeated use.
• Dual threading design (1-1/2" and 3/8" lengths) offers versatile setup options for jigs, fixtures, and temporary assemblies.
• Compliance with DIN 939, RoHS 3, and REACH guarantees adherence to international quality and safety standards.
• 3-inch length with 1/4"-20 thread size delivers optimal stability and alignment in inch-based measurement systems.

Professional Applications & Engineering Value

Engineered for precision setups in machining, tooling, and assembly lines, this black-oxide steel setup stud addresses common challenges like misalignment and component slippage. Its threaded both ends design allows quick adjustments in jigs and fixtures, reducing downtime. The Class 2A thread fit ensures consistent engagement, while the high tensile strength and hardness resist deformation under stress. Ideal for CNC setups and temporary fastening, it meets DIN 939 specifications for reliable performance in automotive, aerospace, and manufacturing sectors where repeatability and durability are critical.

Specification Summary & Compliance

This stud features a Class 2A thread fit per inch standards, with precise dimensions: 1/4"-20 thread size, 3" length, and thread lengths of 1-1/2" and 3/8". Manufactured to DIN 939 specifications, it ensures dimensional accuracy and interoperability. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) for environmental safety, it supports sustainable industrial practices without compromising on mechanical properties like 125,000 psi tensile strength and Rockwell C22 hardness.