S-90269A932 M20 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction and Black Oxide finish, ideal for harsh industrial environments.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance in heavy-duty applications.
• Precise dimensional control with Class 5g6g thread fit and tight shoulder tolerances, ensuring accurate alignment and reduced assembly errors.
• Enhanced grip and torque application thanks to the knurled head and 12 mm hex drive, preventing slippage during installation.
• Long-lasting durability with Rockwell B79 hardness, maintaining integrity under repetitive stress and load.
• Broad compatibility with ISO 7379 standards and compliance with RoHS 3 and REACH, meeting global regulatory and safety requirements.
• Optimized for high-stress assemblies featuring a 190 mm shoulder length that provides stable bearing surfaces and pivot points.

Professional Applications & Engineering Value

This M20x2.5 shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and heavy equipment. Made from 316 Stainless Steel with a Black Oxide finish, it resists corrosion from chemicals, moisture, and high temperatures, extending service life in demanding settings. The coarse metric thread and precise Class 5g6g fit ensure quick, secure fastening with minimal risk of cross-threading. The 190 mm shoulder acts as a reliable axle or spacer, reducing wear in rotating assemblies and maintaining alignment in industrial applications like conveyor systems, robotic arms, and manufacturing jigs. Its knurled head and hex drive enhance installation efficiency, making it a top choice for engineers seeking durability and compliance with ISO 7379 standards.

Specification Summary & Compliance

This shoulder screw adheres to ISO 7379 specifications, with a metric M20x2.5 coarse thread in Class 5g6g tolerance for precise fit. The shoulder diameter tolerance ranges from -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring high dimensional accuracy. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing safety and environmental standards.