S-90269A733 M8 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 environments and extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile strength and 35,000 psi shear strength for reliable performance in high-stress applications.
• Precise component alignment enabled by the 150mm shoulder with controlled diameter and length tolerances for consistent assembly fit.
• Secure and efficient installation with a knurled hex socket head that provides superior grip and prevents tool slippage during torque application.
• Guaranteed dimensional interchangeability through compliance with ISO 7379 standard and Class 5g6g thread fit for global engineering compatibility.
• Enhanced durability and hardness with a Rockwell B79 rating, resisting wear and deformation under load.
• Safe for regulated industries as it is fully compliant with RoHS 3 and REACH environmental and safety directives.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical challenges in precision assemblies, such as providing a fixed pivot point or acting as a shaft for rotating parts. The 316 stainless steel material, combined with a black oxide finish, offers outstanding resistance to corrosion from chemicals, moisture, and salt spray, making it suitable for marine, chemical processing, and outdoor equipment. The 150mm shoulder length ensures accurate spacing and alignment in machinery, jigs, and fixtures, reducing assembly time and improving operational reliability. The coarse M8x1.25mm thread and knurled hex socket head facilitate quick, secure fastening even in confined spaces, minimizing the risk of stripping and enhancing maintenance efficiency in demanding industrial applications.

Specification Summary & Compliance

This shoulder screw features an M8x1.25mm coarse thread with a Class 5g6g thread fit per ISO metric standards, ensuring precise engagement and load distribution. The shoulder diameter is 10 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 150 mm with a 0 to 0.25 mm tolerance for high dimensional accuracy. It is manufactured in accordance with ISO 7379 and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally conscious and regulated industries.