S-90269A164 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 outdoor applications.
• High mechanical strength and durability with a tensile strength of 70,000 psi and Rockwell B79 hardness for reliable performance under load.
• Precise component alignment and spacing enabled by the 10mm diameter shoulder with tight tolerance control.
• Secure and easy installation with a 5mm hex socket drive and knurled head for improved grip and reduced tool slippage.
• Consistent and reliable threading with a coarse M8x1.25 metric thread and Class 5g6g fit for quick assembly and vibration resistance.
• Broad industrial compliance meeting ISO 7379 standards and environmental regulations like RoHS 3 and REACH for global supply chain compatibility.
• Optimized for repetitive use with a robust shoulder length of 25mm, providing stable bearing surfaces in machinery and fixtures.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical challenges in precision assembly and machinery design. The 316 Stainless Steel material offers exceptional resistance to corrosion from chemicals, moisture, and salt, making it suitable for industrial applications in food processing, marine, and chemical plants. The hex socket drive and knurled head ensure secure fastening in tight spaces, reducing installation time and preventing damage from tool slip. With a 10mm shoulder diameter and 25mm shoulder length, it provides accurate alignment for rotating parts, bearings, and linkages, minimizing wear and maintenance. The coarse metric thread (M8x1.25) enhances grip in soft materials and resists loosening under vibration, ensuring long-term reliability in dynamic environments.

Specification Summary & Compliance

This shoulder screw features precise dimensional tolerances, including a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring consistent fit in precision assemblies. Thread specifications adhere to Class 5g6g fit for reliable engagement. Manufactured in compliance with ISO 7379 standards, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) requirements, supporting safe and sustainable use across global industries.