S-90269A802 M8 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable load-bearing in demanding applications
• Precise component alignment enabled by the 40mm shoulder with tight diameter tolerance for reduced wear and vibration
• Secure, tamper-resistant installation with hex socket drive and knurled head for improved grip during tightening
• Optimized thread engagement with Class 5g6g fit and coarse M8x1.25 thread ensuring consistent fastening performance
• Long-term durability backed by Rockwell B79 hardness for maintained integrity under repeated stress
• Global compliance assurance meeting RoHS 3 and REACH regulations for safe use in regulated industries

Professional Applications & Engineering Value

This M8 shoulder screw delivers critical engineering value in precision assembly systems where alignment and corrosion resistance are paramount. The 316 stainless steel material provides excellent protection against corrosive agents in marine, chemical processing, and food-grade environments. The 40mm shoulder length acts as a precise pivot or shaft, eliminating the need for additional bushings and reducing assembly complexity in machinery, robotics, and conveyor systems. The hex socket drive and knurled head ensure secure installation in confined spaces, preventing cam-out and maintaining torque integrity. With its coarse thread pitch and Class 5g6g thread fit, it offers reliable engagement in high-vibration applications, making it an ideal industrial shoulder bolt for automation equipment and precision instruments.

Specification Summary & Compliance

This metric shoulder screw features M8x1.25 coarse threads with Class 5g6g thread fit and a shoulder diameter tolerance of -0.072 to -0.01 mm for precise alignment. Manufacturing adheres to standard metric specifications, with a shoulder length tolerance of 0 to 0.25 mm. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental safety and regulatory adherence for global industrial use.