S-90278A426 M8 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Precise component alignment ensured by the 35mm shoulder with tight diameter tolerance (-0.025 to 0 mm)
• High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
• Reliable thread engagement with Class 6g thread fit and M8x1.25 coarse pitch for secure fastening
• Easy installation and removal using the standard 5mm hex socket drive for efficient assembly
• Consistent dimensional accuracy with controlled shoulder length tolerance (0 to 0.05 mm) for repeatable results
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe, sustainable use

Professional Applications & Engineering Value

This precision M8 shoulder screw delivers exceptional engineering value in applications requiring exact component positioning and rotational control. The 35mm shoulder length with precise diameter tolerance provides stable bearing surfaces for gears, pulleys, and linkages, eliminating misalignment issues. Manufactured from 18-8 stainless steel, it offers excellent corrosion resistance in manufacturing equipment, automation systems, and outdoor machinery. The Class 6g thread fit and coarse 1.25mm pitch ensure reliable fastening in high-vibration environments, while the 5mm hex socket drive enables secure installation in confined spaces. These metric shoulder screws solve critical alignment challenges while maintaining structural integrity under substantial mechanical loads.

Specification Summary & Compliance

This shoulder screw features Class 6g thread fit per metric standards with precise shoulder diameter tolerance (-0.025 to 0 mm) and shoulder length tolerance (0 to 0.05 mm). The manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory compliance for industrial applications worldwide.