S-90269A294 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and chemical exposure.
• Exceptional mechanical strength offering 70,000 psi tensile strength and 35,000 psi shear strength for reliable performance under high stress.
• Precise component alignment enabled by the 70mm shoulder with tight diameter tolerance, reducing wear and simplifying assembly.
• Secure and easy installation with a 5mm hex socket drive and knurled head for improved grip and torque application.
• Robust thread engagement with a Class 5g6g fit M8x1.25 coarse thread, ensuring consistent fastening and vibration resistance.
• Long-term operational reliability backed by Rockwell B79 hardness for excellent durability and deformation resistance.
• Global compliance and safety meeting ISO 7379 standards and RoHS 3/REACH regulations for use in regulated industries.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. The 316 Stainless Steel material provides outstanding corrosion resistance, making it suitable for machinery exposed to moisture, chemicals, or marine environments. The precision-machined 70mm shoulder acts as a pivot, bearing surface, or spacer, ensuring accurate component positioning and reducing eccentric loading. This minimizes wear on moving parts in assemblies like rotating shafts, linkages, and jigs. The coarse M8x1.25 thread and Class 5g6g thread fit offer reliable fastening with high vibration resistance, while the hex drive and knurled head facilitate secure installation in confined spaces. Ideal for heavy-duty equipment, automation systems, and precision instruments, this screw enhances assembly integrity and service life.

Specification Summary & Compliance

This metric shoulder screw features an M8x1.25 coarse thread with a Class 5g6g thread fit per ISO standards, ensuring dimensional accuracy and interchangeability. The shoulder diameter (10 mm) and length (70 mm) are manufactured to tight tolerances for precise fit. It conforms to ISO 7379 specifications for dimensional and mechanical properties. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for hazardous substances.