S-90269A707 M8 ISO 7379 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 strength and 35,000 psi minimum shear strength for reliable, heavy-duty performance.
• Precise component alignment enabled by the 110mm shoulder with controlled diameter and length tolerances, reducing assembly time and improving accuracy.
• Secure, non-slip fastening thanks to the knurled head and hex socket drive, allowing for high torque application without tool slippage.
• Broad regulatory compliance including ISO 7379, RoHS 3, and REACH, ensuring global acceptability and safety in sensitive applications.
• Optimized thread engagement with Class 5g6g thread fit and coarse 1.25mm pitch, providing quick assembly and strong holding power.
• Enhanced durability and wear resistance from the black oxide finish and Rockwell B79 hardness, extending service life in demanding conditions.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical alignment and corrosion resistance challenges in industrial machinery, automation systems, and precision equipment. The 316 stainless steel material and black oxide finish provide excellent protection against rust and chemical degradation, making it suitable for food processing, marine, and outdoor applications. The long 110mm shoulder length with tight tolerances ensures precise location of moving parts like gears and pulleys, reducing vibration and wear. The hex socket drive and knurled head facilitate secure installation in confined spaces, enhancing assembly efficiency and reliability for high-performance engineering solutions.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit with M8 x 1.25mm coarse thread, ensuring dimensional accuracy per ISO 7379 standards. Shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm for precise fits. The product is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free of hazardous substances and suitable for global industrial use.