S-90265A159 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior Corrosion Resistance – Made from 18-8 Stainless Steel for long-lasting performance in harsh environments, reducing maintenance and replacement costs.
• High Tensile & Shear Strength – With 70,000 psi tensile and 35,000 psi minimum shear strength, this screw ensures reliable load-bearing in demanding applications.
• Precision Thread Fit – Class 5g6g thread fit and M8x1.25 coarse pitch provide secure, vibration-resistant fastening and easy assembly.
• Secure, Non-Slip Drive – Hex socket drive with knurled head texture offers excellent torque transmission and grip, minimizing tool slippage.
• Accurate Shoulder Alignment – Tight shoulder diameter and length tolerances ensure precise component positioning and smooth rotational movement.
• International Standard Compliance – Meets ISO 7379 specifications, ensuring interchangeability and reliability in global engineering projects.
• Environmental & Safety Compliance – RoHS 3 and REACH compliant, making it suitable for regulated industries and eco-conscious supply chains.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical alignment and durability challenges in industrial assemblies. The 18-8 Stainless Steel construction provides excellent resistance to rust and corrosion, ideal for machinery, automotive, and outdoor equipment exposed to moisture or chemicals. The coarse pitch thread (M8x1.25) allows for quick installation and robust holding power, while the hex socket drive and knurled head enhance torque application and prevent accidental loosening under vibration. The precision-machined shoulder—with controlled diameter and length—ensures accurate spacing and rotational support in pivots, gears, and linkages, reducing wear and improving operational lifespan. By meeting ISO 7379 and environmental regulations, this screw delivers consistent performance and compliance for OEMs and MRO professionals.

Specification Summary & Compliance

This shoulder screw features M8x1.25 coarse pitch threads with a Class 5g6g thread fit for precise engagement. Shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring high dimensional accuracy. Manufactured in accordance with ISO 7379, it is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to international safety and environmental standards.