S-90269A794 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
• Precise alignment and smooth rotation thanks to the 30mm shoulder with tight diameter tolerance for consistent bearing surfaces
• High-strength performance delivering 70,000 PSI tensile strength and 35,000 PSI shear strength for reliable load-bearing applications
• Secure, non-slip installation enabled by the knurled head and 6mm hex socket drive for maximum torque application
• Accurate, reliable threading with Class 5g6g metric coarse pitch (M8x1.25) ensuring proper fit and vibration resistance
• Enhanced durability from Rockwell B79 hardness, providing excellent wear resistance and long service life
• Global compliance assurance meeting RoHS 3 and REACH regulations for safe, environmentally responsible manufacturing

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to solve critical alignment and pivot point challenges in demanding applications. The 316 Stainless Steel material offers exceptional resistance to corrosion and oxidation, making it perfect for marine, chemical processing, and food-grade equipment where moisture and aggressive substances are present. The precision-machined 30mm shoulder with controlled tolerances acts as a reliable shaft for rotating components like gears, pulleys, and linkages, eliminating the need for additional bushings and reducing assembly complexity. The hex socket drive combined with the knurled head ensures secure tool engagement during high-torque installation, preventing cam-out and damage in automated assembly lines. With its Class 5g6g thread fit, this fastener maintains consistent clamping force in vibrating machinery, reducing maintenance downtime and improving operational reliability across robotics, conveyor systems, and precision instrumentation.

Specification Summary & Compliance

This shoulder screw features M8x1.25 coarse pitch metric thread with Class 5g6g tolerance for precise fit. Shoulder diameter is 12mm with tolerance of -0.072 to -0.01mm, and shoulder length is 30mm with 0 to 0.25mm tolerance. Manufactured from 316 Stainless Steel with Rockwell B79 hardness, 70,000 PSI tensile strength, and 35,000 PSI minimum shear strength. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.