S-90269A807 M8 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure.
• Enhanced durability and wear resistance from the black oxide finish, providing a protective layer against abrasion.
• High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under heavy loads.
• Precise alignment and spacing enabled by the 12mm shoulder diameter, reducing wear on mating components.
• Secure and efficient installation with a hex socket drive, allowing high torque application in confined spaces.
• Accurate and consistent fit due to Class 5g6g thread tolerance, ensuring smooth assembly and operational reliability.
• Compliance with global environmental standards including RoHS 3 and REACH, making it suitable for regulated industries.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical challenges in precision assembly and motion control systems. The 316 stainless steel material provides exceptional resistance to corrosion and oxidation, making it ideal for applications in marine, chemical processing, and food machinery where exposure to moisture and aggressive substances is common. The black oxide finish not only enhances aesthetic appeal but also adds a layer of protection against galling and fretting. The 12mm shoulder diameter and precise shoulder length allow for accurate positioning of components such as bearings, gears, and linkages, minimizing misalignment and reducing wear. With a hex socket head, it facilitates easy installation in tight spaces, while the coarse metric thread (M8x1.25mm) ensures quick and secure fastening. This screw is a reliable choice for engineers seeking durability, precision, and compliance in demanding industrial applications.

Specification Summary & Compliance

This shoulder screw features a metric M8x1.25mm coarse thread with Class 5g6g tolerance for precise fit and reliable performance. The shoulder diameter is 12 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 12 mm with a tolerance of 0 to 0.25 mm, ensuring consistent dimensional accuracy. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industrial use.