S-90269A879 M16 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel material and Black Oxide finish, ideal for harsh environments and extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile strength and 35,000 psi minimum shear strength for reliable performance in high-stress applications.
• Precise component alignment enabled by the 60mm shoulder length with tight tolerances, reducing wear and ensuring smooth rotational movement.
• Secure and efficient installation using a 10mm hex drive and knurled head for improved grip and torque application without slippage.
• Accurate and durable threading with M16x2mm coarse metric threads and Class 5g6g fit, providing consistent engagement and vibration resistance.
• Compliance with international standards including ISO 7379, RoHS 3, and REACH, ensuring product safety and global regulatory acceptance.
• Optimized for heavy-duty use featuring Rockwell B79 hardness and a robust shoulder design, suitable for demanding industrial assemblies.

Professional Applications & Engineering Value

This M16 shoulder screw is engineered to address critical challenges in precision machinery and industrial equipment. The 316 Stainless Steel construction, combined with a Black Oxide finish, provides excellent resistance to corrosion and oxidation, making it ideal for applications in chemical processing, marine environments, and outdoor machinery. The 60mm shoulder length with minimal tolerance ensures precise locating and spacing of components, such as gears, pulleys, and bearings, reducing misalignment and mechanical wear. The hex drive and knurled head facilitate easy installation and removal, even in confined spaces, while the Class 5g6g thread fit and coarse M16x2mm metric threads enhance load distribution and prevent loosening under dynamic loads. By meeting ISO 7379 specifications, this screw delivers consistent performance in automation systems, conveyor assemblies, and heavy-duty rotating mechanisms, ensuring long-term reliability and reduced maintenance costs.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring high accuracy for component fit. The thread fit conforms to Class 5g6g per metric standards, providing reliable engagement. It is manufactured in compliance with ISO 7379 for shoulder screw specifications and is verified to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming its adherence to environmental and safety regulations without hazardous substances.