S-90269A291 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life
• Precise component alignment ensured by the 10mm shoulder diameter with tight tolerance, reducing assembly errors
• High mechanical strength offering 70,000 psi tensile strength and Rockwell B79 hardness for reliable performance under load
• Secure and efficient installation with a 5mm hex socket drive and knurled head for superior grip and torque application
• Robust thread engagement with Class 5g6g fit and M8x1.25 coarse thread for quick assembly and vibration resistance
• Extended durability in demanding applications due to compliance with ISO 7379 standards and environmental regulations
• Versatile shoulder length of 45mm providing stable support for rotating parts and precise spacing in assemblies

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical alignment and durability challenges in industrial settings. The 316 Stainless Steel material provides excellent resistance to corrosion and chemicals, making it suitable for marine, chemical processing, and food industry applications where moisture and corrosive agents are present. The precision 10mm shoulder diameter with controlled tolerance ensures accurate locating of components, minimizing misalignment and wear in machinery. Combined with the hex socket drive and knurled head texture, it allows for secure tightening even in confined spaces, reducing the risk of stripping. The 45mm shoulder length offers a stable bearing surface for pivoting parts, such as in linkages, gears, and rotating assemblies, enhancing operational reliability and reducing maintenance needs. Its compliance with ISO 7379 and environmental standards ensures consistent quality and safety in demanding applications, from automotive to heavy equipment.

Specification Summary & Compliance

This precision shoulder screw features a metric M8x1.25 coarse thread with Class 5g6g thread fit for standard tolerance, ensuring reliable fastening. The shoulder diameter is maintained at 10mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 45mm with a 0 to 0.25 mm tolerance, providing high dimensional accuracy. Manufactured in accordance with ISO 7379 and DIN 7379 specifications, it is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial use.